In fact he is quite ignorant on the subject, ______ he knows about it is out of date and inaccurate.
A、
What little
B、
So much
C、
How much
D、
So little
【正确答案】
A
【答案解析】
what引导主语从句,并作从句中knows的宾语。little在此修饰what。句意:实际上他对这个专业所知甚少。他所了解的那一点点已经过时,而且也不准确。
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