____from the moon,the planet earth is a beautiful blue world in a thin mistA、Seeing B、Seen C、To see D、Saw为什么会选B啊?怎么会用过去式的啊?

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____from the moon,the planet earth is a beautiful blue world in a thin mistA、Seeing B、Seen C、To see D、Saw为什么会选B啊?怎么会用过去式的啊?
____from the moon,the planet earth is a beautiful blue world in a thin mist
A、Seeing B、Seen C、To see D、Saw
为什么会选B啊?怎么会用过去式的啊?

____from the moon,the planet earth is a beautiful blue world in a thin mistA、Seeing B、Seen C、To see D、Saw为什么会选B啊?怎么会用过去式的啊?
B 是正确的答案
不是过去式,是被动语态.
完整的句子是
(When it is seen) from the moon,the planet earth is a beautiful blue world in a thin mist.
词组 When it is 省略了
也有仅省略 it is 的方式:
When seen from the moon,the planet earth is a beautiful blue world in a thin mist.
这种句型,多读多听就会发现这种省略很正常.