I have bought two ball pens , writes well.
A. none of them
B. neither of them
C. neither of which
D. none of which
网友回答
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。