一道英语选择题.求教come and join us,jenny.I am sorry,but i am really busy _其他解答

一道英语选择题.求教
come and join us,jenny.
I am sorry,but i am really busy now ,if I -----time ,I would certainly go.
A will have B have had C had D have

人气：237 ℃　时间：2019-12-29 20:38:49

解答

D have
if引导的主将从现,显然是现在时.
选择D.would在这里不是will的过去式吗好吧，我看错成现在时了。那么此处if就是引导的虚拟语气，动词要用过去时。