问题详情：
![—Hello,mayIspeaktoMr.Smith?—Sorry,heisn'tin.He]( "—Hello,mayIspeaktoMr.Smith?—Sorry,heisn'tin.He")
— Hello, may I speak to Mr. Smith?
— Sorry, he isn't in. He _____________the office.
A. has been to B. has gone to C. has been away
【回答】
B
【解析】选B。考查现在完成时的用法。has been to表示去过某地，现在已经回来；has gong to表示去了某地，现在还没回来。由答语中“Sorry, he isn’t in”可知 “史密斯先生不在家，他去了办公室”。故选B。
知识点：动词时态
题型：选择题
