The professor walked onto the platform and seated himself in a chair ,( ) for answering questions.A had preparedB being preparedC preparing D prepared

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The professor walked onto the platform and seated himself in a chair ,( ) for answering questions.A had preparedB being preparedC preparing D prepared

The professor walked onto the platform and seated himself in a chair ,( ) for answering questions.A had preparedB being preparedC preparing D prepared
The professor walked onto the platform and seated himself in a chair ,( ) for answering
questions.
A had prepared
B being prepared
C preparing
D prepared

The professor walked onto the platform and seated himself in a chair ,( ) for answering questions.A had preparedB being preparedC preparing D prepared
我觉得应选D
类似与well prepared(准备充分的)的用法.
相当于(who was)prepared for... 做好准备的,愿意的.
前边seated himself in a chair 表示已经坐定了,已经做好准备为大家解答问题了.选prepared更为贴切.而选C preparing 更强调还在准备中.
be prepared for形容已经做好准备了.
prepare for sth.为某事做准备.
不懂追问~

The professor walked onto the platform and seated himself in a chair ,( ) for answering
questions.
A had prepared
B being prepared
C preparing
D prepared
应选C.

C
因为没有连词,不是复合句,只能有一个动词,第二个动词用非谓语
因为,( ) for answering questions.这部分省略的主语是教授,教授和answer是主谓关系,所以,直接用现在分词不好意思,我也选C但我错了,老师上课讲了,但我没听着,答案选D,答案千真万确...

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C
因为没有连词,不是复合句,只能有一个动词,第二个动词用非谓语
因为,( ) for answering questions.这部分省略的主语是教授,教授和answer是主谓关系,所以,直接用现在分词

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