根据上下文意思选择正确的句子

A. Who's that man?    B. Where are you from, Jack?    C. Good morning. D. Is he your brother?       E. She's my grandmother.

A: , Miss White.

B: Good morning, Ann.

A: He's my grandfather.

B: Who's that woman

A: .

B:

A: No, he isn't. He's my friend, Jack.

B:

C: I'm from the UK.