单选题 The man ______ gave his payback to his wife is wiser than the man ______ gave it tohis mistress．
   A．who; who    B．who; which
   C．which; who D．which; which
【正确答案】 A
【答案解析】先行词是人时，既可以用who，也可以用that。汉语意思：把薪金支票交给妻子比交给情人要高明。