一到英语选择题说原因即可········

问题描述:

一到英语选择题说原因即可········
Seeing the road____with snow,we had to spend the holiday at hoe,watching TV.A.blocking B.to block C.blocked D.to be blocked

加to 的肯定不对,see 后面是肯定不能加to的,
c,美国人也选这个,