问题
单项选择题
Doctors warned sun-starved tourists who received too much sunlight that they were at seriously risk than others of contracting skin cancer.
A．most
B．more
C．grander
D．greater
答案
参考答案：D
解析：[分析]词语应用 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，表“面临更大的危险”。