In Scene 1 of The Diary of Anne Frank, Act II, why does Anne rage at Mrs. Frank?

A. Anne blames Mrs. Frank for keeping her indoors all the time.
B. Anne thinks that Mrs. Frank is unfair, insensitive, and lacking in understanding.
C. Anne thinks that Mrs. Frank is giving Mr. Frank the largest share of the food.
D. Anne believes that Mr. Frank always takes Mrs. Frank's side instead of Anne's.