Please Help, aNOTHER qustion, It is correct?

Brent and his mother (1)__A___that television has become more violent than it used to be.
They have decided to do something about it. Channel 17, the local public access channel,
offers a course to help people learn how to (2)_J___ produce their own television shows. Brent and his mother
have been attending the course. Yesterday after class Brent said, "I've got an idea. Let's start our
own show and call it KIDSWORK. Each week we can interview kids who (3)__C__ at the hospital, the nursing home,
the neighborhood pool, or any other local organization. Kids can tell about their duties and the feeling of
self-worth (4)_G___ get from volunteering."Brent's mother is excited about the idea, and for the first show,
she wants to interview her
son, the television producer.
1-
A are convinced
B is convinced
C was convinced
D has been convinced
2-
F effective
G effectiver
H more effective
J effectively
3-
A voluntary
B volunteers
C volunteer
D voluntarily
4-
F them
G they
H themselves
J theirs

Thank you