It is no good ( ) to come now.He is busy.括号中要填什么?有四个选项的A if you ask him B to ask him C asking him Dthat you ask him

It is no good ( ) to come now.He is busy.括号中要填什么?
有四个选项的
A if you ask him B to ask him C asking him Dthat you ask him

C
no good doing固定用法

选择还是填空呢？

for him