补全对话。

A:Hi, Jack. How     l    your vacation?

B:It was pretty good.

A:Where did you _  2     ?

B:I went to Beijing     3    my parents.

A:     4     did you go there?

B:We     5  _ there by train.

A:     6    did you do?

B:We visited Tian'an Men Square. There     7  _ many people there.

A:How were the people?

B:    8     were very friendly.

A:How was the     9     ?

B:    10     was sunny and cool.

腐败的主体是谁？（）

A.公权主体

B.私权主体

C.民权主体

D.国权主体