When we __the museum is not decides.A.visited B.visit C.will visit D.visiting怎么选?

问题描述:

When we __the museum is not decides.A.visited B.visit C.will visit D.visiting怎么选?

C翻译:我们什么时候参观博物馆还没有决定.
还未发生的动作,所以用一般将来时!