A-A+
If I ______ that your business was growing so
问题详情
If I ______ that your business was growing so rapidly. I wouldn"t have been worried about it.
A．know
B．knew
C．had known
D．have known
参考答案
正确答案：B
解析：本题考查虚拟语气。由本题的主句“...I wouldn't have been worried...”可判断本题是与过去事实相反的虚拟语气．其时态为：从句的谓语动词用过去完成时．主句的谓语用would/should/ could/might加上现在完成时。所以C为正确答案。
