I think the answer is d. Not sure if wrong, sorry.
Answer:
Mr. Van Daan is caught stealing bread in the Annex. This changes our understanding of the past food shortages in the Annex, as they may have been caused by Mr. Van Daan stealing food for himself, leaving the others without food.
Answer:
Where are the sentences ?
Annoyed because the definition of irked is annoyed
hope this helps:)