What information is revealed in Act II, Scene 1 that creates suspense?

What information is revealed in Act II, Scene 1 that creates suspense?

An employee of Mr. Kraler is asking about Mr Frank and the book shelf.

Mr. Van Daan wants to sell his wife’s fur coat.

Miep is going to a party with her fiance on New Year’s Day.

Peter’s cat has not been located in almost a week.

The correct answer is:

An employee of Mr. Kraler is asking about Mr. Frank and the bookshelf