－Where is John?－He the science lab.A. has gone to B. has been to C. went to

问题补充：

－Where is John?

－He the science lab.

A. has gone to B. has been to C. went to

答案：

解析：考查时态及动词的用法。根据句意：他已经去了科学实验室，表示动作已发生，用现在完成时，A项表示去了某地，即：人没在这儿；B项表示曾经去过某地，人又回来了。根据情境，选A。