after（ what ）seemed to be a long time ,the old man went out of the professor's sitting roomA it B that C which D what 所选答案是非限,但如何分析句子成份啊?
问题描述：
after（ what ）seemed to be a long time ,the old man went out of the professor's sitting room
A it B that C which D what 所选答案是非限,但如何分析句子成份啊?
答
after（ what ）seemed to be a long time 介词短语作定语 after是介词 what从句是宾从the old man 是主句主语went out of 是主句谓语the professor's sitting room是主句宾语之所以选择what,是因为after后面的宾从...