单选题 He has never seen the Greens and he knows ______ about them.
A. little B. a little C. something D. anything

【正确答案】 A
【答案解析】既然是从未见过，肯定是知之甚少。应此，应选择具有否定意义的词：几乎一点也不。选项A是正确的。