Question

Pronoun-antecedent agreement

14a. You may rent a movie or a video game for just one night if they are new.

14b. You may rent a movie or a video game for just one night if it is new.

my answer is b.

Answer 1

I think this is one is also right, but, please make sure you check all of these with your teacher.

Answer 2

You're both right again. :-)