选内容补全对话/短文

Sam: Hello, this is Sam. .

Bobby: Hello, Sam. This is Bobby.

Sam: Bobby, can you come to my party this evening?

Bobby: When is the party?

Sam:

Bobby: All right.

Sam: What about Tina?

Bobby: No, she can't. She has a piano lesson this evening.

Sam:

A. At six o'clock.

B. It's Saturday.

C. I'd love to.

D. Oh, what a pity!

E. Can she come to the party too?

F. Is that Bobby speaking?