This is such a difficult problem that only ________ people can work it out.

This is such a difficult problem that only ________ people can work it out.

A.fewer

B.a few

C.few

D.a little

答案及解析： B

解析：

导解：only a few意即“很少，几乎没有”，与few意思接近．D项只修饰不可数名词．