-Where is Jack?-Well,he ( ) you ( ) here,or else he would be
-Where is Jack?
-Well,he ( ) you ( ) here,or else he would be here right now.
A.doesn't know;are
B.hadn't known;were
C.didn't know;were
D.hasn't known;are
我选的是D,
我的理解是,后半句说"本来他现在就在这儿",那说明他现在还不知道"你在这儿"啊.