Mrs.Fox has bought a lot__she came to Beijing last month.A.after B.when C.since D.until为什么?请说明理由,

问题描述:

Mrs.Fox has bought a lot__she came to Beijing last month.A.after B.when C.since D.until
为什么?请说明理由,

选B.

答案是C~现在完成时用since引导从句~~

C
自从福克斯太太上个月来到北京,她已经买了很多东西.
完成时+since+过去时

b