单选题
If tap water were as dangerous as some people think,______ would be getting sick. A. a lot of more us B. more a lot of us C. a lot of us more D. a lot more of us
【正确答案】
D
【答案解析】本题考查比较级的用法。a lot more of us(我们当中更多得多的人)，a lot在该结构中是程度副词。句意为：如果自来水真的像有些人想得那样危险，那么我们当中就会有更多的人生病。