با توجه به اطلاعات داده شده؛ کدام گزینه دارای سؤال و جواب درست میباشد؟

1 )
A: Who hurt his knee in the park? B: Arman's brother.
2 )
A: Did Arman hurt his arm? B: Yes, he did.
A: did Arman hurt his knee at school? B: No, he didn't.
4 )
A: When did Arman hurt his knee? B: Two weeks ago.