sorry i can't answer your question.i know___about the subject.A a little B some C little D fewsorry i can't answer your question.i know___about the subject.A a little B some C little D few可我总觉得是A,求正确答案.

sorry i can't answer your question.i know___about the subject.A a little B some C little D few
sorry i can't answer your question.i know___about the subject.
A a little B some C little D few
可我总觉得是A,求正确答案.

a little表示少 ,还有一点,重点强调肯定意义上的“有”
little 表示有,但极少,重点强调否定意义上的 “几乎没有”
题中说我不能回答你的问题,说明我几乎不知道关于这个科目.所以用little