Question

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

Answer 1

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。