I _______ don't understand.Could you say it again?

问题描述:

I _______ don't understand.Could you say it again?
A yet
B still
C as well

选 B.Still
后面的“Could you say it again"是指之前说过,但是直到现在还是"don't understand",所以选Still
A,yet是有转折含义的,这里没有
C,as well是"也",一般放在句末,而且与这句话的意思不符.