Read the following conversation and answer the question.

W: Did you start the quarrel with Mary?

M: Yes, she broke my glass and didn't say sorry to me.

Question: Why did the man start the quarrel with Mary? 

- Because Mary broke his glass and didn't say sorry to him.

- Because he broke Mary's glass.

- Because Mary didn't answer his question politely.


Because Mary broke his glass and didn't say sorry to him.