-- Hello! Is that Mr Wang speaking?--
（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.
参考答案
继续答题：下一题
（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.
