问题
选择题
The old farmer has two daughters, _______ is kind to him, _______makes him very sad.
A．neither of whom; which
B．neither of them; which
C．both of whom; which
D．both of whom; that
答案
答案：A
本题考查定语从句。neither of whom引导定语从句，第二空which指代前文的内容。