单选题The old farmer has t

问题补充：

单选题Theoldfarmerhastwodaughters,_______iskindtohim,_______makeshimverysad.A.neither of whom; whichB.neither of them; whichC.both of whom; whichD.both of whom; that

答案：

A解析本题考查定语从句。neither of whom引导定语从句，第二空which指代前文的内容。