― I never him after he went to the USA.―Maybe you should write to him first.A. hear about

问题补充：

― I never him after he went to the USA.

―Maybe you should write to him first.

A. hear about B. hear of C. hear fromD. hear out

答案：

解析：hear about听说，得知； hear of 听说，听说过；hear from收到……的信；hear out听完，听某人把话说完。句意：在他去了美国之后，我再也没有收到他的来信。——可能你应该首先给他写信。结合语境可知选Ｃ。