一道英语选择题(请给小弟解析解析)

问题描述:

一道英语选择题(请给小弟解析解析)
—Did you have a good vacation in Hainan?
—Yes,I'm looking forward to_________Hainan again some time in the future.
A.visit B.visiting C.traveling D.travel

look forward to doing sth.
到某个地方旅行用travel to,所以这里应该用visiting.