补全对话。

Police man：Come here，young man，what were you doing at 11：00 last night ?

Young man：1. _____________________________

Police man：2. _____________________________

Young man：I was watching a Korean soap opera.

Police man：3. _____________________________

Young man：It's name is Do you love Me.

Police man：But I know the play ended at 10：30 last night，do you know？

Young man：Oh，maybe I was wrong. Yes，I remember 4. _______________________

Police man：Who was talking with you on the phone?

Young man：My girlfriend.

Police man：But your girlfriend said 5. _______________________    

Young man：Oh，sir，please forgive me. I know I did something wrong. I’ll tell the truth now.

某市(市政府及其部门位于B区)A区甲律师事务所为招揽更多的业务，实行按案件标的额为介绍案件的人提取一定的“案件介绍费”的措施，并且对几个较为重大的案件，都给予了介绍人一定数额的费用。由于在某一案件上通过这一办法将乙律师事务所的案件争揽过去，乙律师事务所对甲律师事务所的这一行为向A区司法局进行了举报。 A区司法局对此进行了调查，确认甲律师事务所确有此违法行为，乃依据有关法律的规定，对甲律师事务所作出警告的处罚，并责令其停业整顿。

对于A区司法局的这一行为的性质认定正确的有：

A．这是一个法律行为

B．属于单方行政职权行为

C．属于外部性处理，具有对外效力

D．属于负担的具体行政行为