单选题
Doctors see a connection between increased amounts of leisure time spent ______ and the increased number of cases of skin cancer.
【正确答案】
D
【答案解析】[试题分析] 本题测试非谓语动词的用法。
[详细解答] 通过分析题意,我们知道spent及其宾语在此作后置定语,修饰先行词leisure time;而动词spend后面应用动名词作宾语,即spend doing sth.,故正确答案为选项[D]。