A、Yes. This is Mr Wang speaking.
B、Yes. Can I speak to Mr Wang?
C、Sorry, you'd better ask Mr Wang.
D、No, I can't speak.
正确答案:A
答案解析:略

A、Yes. This is Mr Wang speaking.
B、Yes. Can I speak to Mr Wang?
C、Sorry, you'd better ask Mr Wang.
D、No, I can't speak.
正确答案:A
答案解析:略