Our explanation seemed only to have _____ his confusion.He was totally at a loss as to what to say

问题描述:

Our explanation seemed only to have _____ his confusion.He was totally at a loss as to what to say
A.brought up B.added to C.worked out D.directed at

B.added to 导致
我们的解释只是增加了他的迷惑.他完全迷惑不知道说什么了.