单选题
Doctors warned sun-starved tourists who received too much sunlight that they were at (seriously) risk than others of contracting skin cancer.无
A、
most
B、
more
C、
grander
D、
greater
【正确答案】
D
【答案解析】
选项A、 B是修饰形容词或副词的， 选项C词义不对， 因此D为答案。
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