Punctuation quiz (6 questions) - need help. thanks

Hi guys. I need your help with the following questions. My answers are indicated in bold, after every question.

Thank you for your help.

Check the corretness of quotation (10 & 12)

My thought (10 & 12): The problems are mainly whether should comma follows after or be included inside the quotation, and the correctness of quotation

10. Experts who once described Neanderthals, a group that died out 28,000 years ago, as “subhuman” are now referring to them as “modern”. (A)

A. no change
B. Experts who once described Neanderthals, a group that died out 28,000 years ago, as “subhuman” are now referring to them as “modern.”
C. Experts who once described Neanderthals, a group that died out 28,000 years ago, as 'subhuman' are now referring to them as 'modern.'

12. Yet Neanderthals' brains and hands were remarkably similar to those of modern humans, and archaeologists have found evidence that Neanderthals created “highly functional tools”. (A)

A. no change
B. Yet Neanderthals' brains and hands were remarkably similar to those of modern humans, and archaeologists have found evidence that Neanderthals created “highly functional tools.”
C. Yet Neanderthals' brains and hands were remarkably similar to those of modern humans, and archaeologists have found evidence that Neanderthals created 'highly functional tools.'

Check the correctness of apostrophes
25. Followers of the Atkins diet are allowed only twenty gram's worth of carbohydrates a day during the first two weeks of the diet. (B)

A. Followers of the Atkins diet are allowed only twenty grams' worth of carbohydrates a day during the first two weeks of the diet.
B. Followers of the Atkins diet are allowed only twenty grams worth of carbohydrates a day during the first two weeks of the diet.
C. no change

Check the correctness of semicolon
48. Most early cave paintings contain no humans, however, Lascaux is an exception. (A)

A. no change
B. Most early cave paintings contain no humans; however, Lascaux is an exception.
C. Most early cave paintings contain no humans however; Lascaux is an exception.

Check the correctness of captialization
51. (B)
A. The type we are most familiar with are called “bottlenose.”
B. The type we are most familiar with are called “Bottlenose.”

Identify the function of semicolon
95. Cinnamon, from the bark of an Asian tree, was used in cooking; basil was used for boiled greens or to make green pickles. (B)

A. to separate items in a series that contain internal punctuation
B. to join independent clauses