I haven`t got any letter from my brother for a year. Do you ____ how worried I am now?

问题描述:

I haven`t got any letter from my brother for a year. Do you ____ how worried I am now?
A.have any idea B.think of
为什么选A
那B为什么不对呢

think of 是考虑之意 不合语境 have any idea =know 符合语境