A coluple pronouns need to be checked :D (8 of them)

Thank you for helping me! I put my answers in bold next to each questions. Please help me correct my choice, thank you!

Some of them are quite long (I am sorry for this). Basically these problems deals with correctness of pronouns.

Again, thank you very much!!

For each of the following sentences, choose the revision that corrects any unclear pronoun reference. If the original sentence is correct, choose "no change."

11. Matthew had to use the driver-training company's car, and he had to choose either three or four lessons. Matthew had to agree to this. (B)

A. no change
B. Matthew had to agree to use the driver-training company's car, and he had to choose either three or four lessons.
C. Matthew had to use the driver-training company's car, choosing either three or four lessons. Matthew had to agree to this.

12. The instructor as well as Matthew had a brake pedal, and he could use the brake in an emergency. (A)

A. The instructor had a brake pedal, as did Matthew, and he could use the brake in an emergency.
B. In addition to Matthew, the instructor had a brake pedal, and he could use the brake in an emergency.
C. no change

15. Asking his friends about the instructors' approach to the driving exam, Matthew had heard that they each had their individual preferences regarding what the test should cover. (C)

A. Asking his friends about the instructors' approach to the driving exam, Matthew had heard that they each had his or her individual preferences regarding what the test should cover.
B. no change
C. Asking his friends about the instructors' approach to the driving exam, Matthew had heard that each driving examiner had his or her individual preferences regarding what the test should cover.

16. An impatient driver honked his horn at Matthew during his driving test, but he continued to drive at the posted speed limit. (B)

A. no change
B. An impatient driver honked his horn at Matthew as Matthew was having his driving test, but he continued to drive at the posted speed limit.
C. An impatient driver honked his horn at Matthew, who was having his driving test, but he continued to drive at the posted speed limit.

37. Previously, Dennis had argued that the school assigned the room to him, and he wasn't to blame that it did. (A)

A. no change
B. Previously, Dennis had argued that the school assigned the room to him, and he wasn't to blame that them did.
C. Previously, Dennis had argued that the school assigned the room to him, and he wasn't to blame that they did.

38. However, when the entire residence staff listened to our argument again, they became convinced that the system wasn't fair. (C)

A. no change
B. However, when the entire residence staff listened to our argument again, he became convinced that the system wasn't fair.
C. However, when the entire residence staff listened to our argument again, it became convinced that the system wasn't fair.

45. Carrie didn't want to work with the shelter's pig or rabbits, for she didn't know how to help satisfy ____ needs. (A)

A. their
B. its

46. At first, she helped with cleaning and did her best to make every dog and cat there feel like someone loved and wanted ____. (A)

A. it
B. them