When I came in,I saw him ___in a chair deep in thought.选项有A.satB.seatedC.seatingD.being seated.

来源：百度知道编辑：UC知道时间：2024/05/19 16:05:32

若答案为B或D的,在给出答案后请解释这个答案以及另一个为什么不正确.如,你选择了B,请在解释B后再解释D为什么不正确.

这一题选 B
看得出来不是单纯的考察 see sb. do/ doing sth.
要理解的话可以这样看
When I came in, I saw him, who was seated in a chair, ... .
who was 由于没有实义可以省去于是得到题目中的句子
seat 的用法是被动的这点不用解释吧？
不选择 D 的原因是
seat 是瞬间动词不是延续性动词
使用 being 就带有了正在发生的意味不该选择瞬间动词因此 D 并非最佳答案
所以单项选择题里面选择 B 是最恰当的
有不明白的还请指出

Correct answer
1. sitting
2.seated= (who was) seated.

选D
这是see sb doing sth的句型，因为后面的deep in throught表明“他”坐是个状态。seated是形容词，意思是坐着的，所以being seated 满足了这一句型。

这个题要么就填sit,要么就是sitting/seating

C，句子的意思是一进来就看见他正坐在椅子上沉思

B
see sb. done sth. 固定用法

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