问题
选择题
—Jim came back home last night. —Really? Where ________ at all?
A．had he been
B．has he been
C．had he gone
D．has he gone
答案
A
因came是过去时，而问的是Tom回来之前去哪里了，即“过去的过去”，用过去完成时；have been…去过某地(已回来)，have been…到某地去了(没回来)。