The ski resorts are usually crowded. There are many people _____

The ski resorts are usually crowded. There are many people _____ skiing.
A、enjoy
B、that want
C、who enjoy
D、want
【正确答案】：C
【题目解析】：enjoy doing sth. want to do sth.从而可排除选项B和D；再由于there are many people已经出现了一个谓语动词，所以可排除选项A。