After shool,I always piay soccer ( ) an hour . A.after B.about c.for D.from 选什么?

问题描述:

After shool,I always piay soccer ( ) an hour . A.after B.about c.for D.from 选什么?
急!111

选C,表一段时间确定?应该是这样的。。。。。。。。。