We all know that drinking too much _____ our health, but some people don’t care.
A.is harm to
B.does harmful to
C.is harmful to
D.do harm to
网友回答
C解析考察harm的用法。Do harm to =be harmful to 对……有害，该句主语是drinking too much,单数，所以选择C句意为，我们都知道饮酒过多对我们的健康有害，但是很多人不在乎。