题目内容：

It's six p.m there are only ------ people in the park. A a lot of B a few C plenty of D a little

优质解答

B
a few修饰可数名词
句中有only说明人少,不能选许多.

追问：

那为什么不能选D a little ?

追答：

a little修饰不可数名词，people是可数名词，只是一个复数名词而已。