I can hardly know ( ) so complex a matter in such a case A.how to do with B.what to do with C.wha

问题描述:

I can hardly know ( ) so complex a matter in such a case A.how to do with B.what to do with C.wha
I can hardly know ( ) so complex a matter in such a case
A.how to do with B.what to do with C.what to deal with D.how dealing with

B.
do是及物动词,do sth with sth
deal是不及物动词,deal with sth 处理某事
所以是what to do with sth,或者how to deal with sth