Women drinking more than two cups of coffee a day have a greater chance of having heart d

问题补充：

Women drinking 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：

A. who; 不填

(答案→)B. 不填; who

C. who; who

D. 不填; 不填

解析：考查冠词。第一空drinking more than two cups of coffee a day修饰名词woman，因为二者之间构成主动关系，所以使用现在分词的形式。第二空使用who指代those作为主句的主语。故B正确。