问题
选择题
. It’s not ____ I won’t do it, _____ I can’t do it.
A．what; but that
B．because; but what
C．what; but because
D．that; but that
答案
答案：D
本题考查连词及名词性从句。句中not … but …不是……而是…….。两个that都是引导表语从句，在从句中都不作成分。句意：不是我不愿意做，而是我不能做。