Who is speaking?----A:This is Jim B:I am Jim C:That is Jim D

題目：

Who is speaking?----A:This is Jim B:I am Jim C:That is Jim DJim 我選的是A,爲什麼?

解答：

Who is speaking?----A:This is Jim B:I am Jim C:That is Jim DJim
A選項是回答Who is he?
D選項的完整句子是：Jim is speaking.
再問： 如果A答案是This is Jim speaking可以選嗎
再答： 如果A答案是回答對方的電話，就可以用This is Jim speaking。 如果我的回答對你有幫助，請及時採納，謝謝！