I have bought two ball pens writes well.A. none of themB. neither of themC. neither of w

问题补充：

I have bought two ball pens , writes well.

A. none of them

B. neither of them

C. neither of which

D. none of which

答案：

A. none of them

B. neither of them

(答案→)C. neither of which

D. none of which

解析：这题考查非限制性定语从句，从句式看，这是定语从句，因为是两只圆珠笔，所以用neither of which，句意是：我买了两只圆珠笔，两个都不好写。选C。