问题
选择题
Women __________ drink more than two cups of coffee a day have a greater chance of having heart disease than those __________ don’t.
A．who; 不填
B．不填; who
C．who; who
D．不填; 不填
答案
C。
两空均填who，引导定语从句。由于两个who在定语从句都是用作主语，所以不能省略。