I have bought two ballpens, _______ writes well.
A. none of them B. neither of them C. neither of which D. none of which
I have bought two ballpens, _______ writes well.
A. none of them B. neither of them C. neither of which D. none of which
C
因为是two ballpens, 并且定语从句的谓语writes是单数概念。因此,C是正确选项。