David ____ Shanghai for more than three months.A.come to B.has been to C.has been in D.has come to为什么,我只知道答案是BC之间,可是in和to有什么差别在这里

Question

David ____ Shanghai for more than three months.
A.come to B.has been to C.has been in D.has come to
为什么,我只知道答案是BC之间,可是in和to有什么差别在这里

Answer 1

C
for more than three months已经三个多月了,要用现在完成时,并且用持续性动词（ B,has been to 去过某地,C has been in在某地）