Which sentence has a vague pronoun error?
A) My mom never seems to care if my brother cleans his room, and this really bothers me.
B) Some of the cookies were a little broken on the edges, but they were still delicious.
C) This movie, while incredibly long and unrealistic, still has some exciting action sequences.
D) I'm not sure if that job is going to pay me enough to be able to save up for some new shoes.