______ no time ______ all,we had come to know each other well.

题目

______ no time ______ all,we had come to know each other well.
a)at,of b)in,of c)in,at d)at,in
说明一下理由

答案

C
in no time是一个词组,意思是“没多长时间”
at all也是一个词组,意思是“根本”
两个放在一起：根本没多长时间,在很短的时间内