问题补充:
—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:
(答案→)A. had he been
B. has he been
C. had he gone
D. has he gone
解析: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)。