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

岩石的相对密度中（）岩石本身所含水分。

A.包含

B.不包含

C.可以忽略