Read the excerpt from The Diary of Anne Frank and answer the question that follows. Mrs. Frank. You know how young people like to feel that they have secrets. Peter’s room is the only place where they can talk.

Mrs. Van Daan. Talk! That’s not what they called it when I was young.

[MRS. VAN DAAN goes off to the bathroom. MARGOT settles down to read her book. MR. FRANK puts his papers away and brings a chess game to the center table. He and MRS. FRANK start to play. In PETER’s room, ANNE speaks to PETER, indignant, humiliated.]

Anne. Aren’t they awful? Aren’t they impossible? Treating us as if we were still in the nursery.

What is the meaning of the word indignant in this passage?

pleased
confused
sympathetic
exasperated