照样子，把句子写具体。

例：爸爸认真地看书。  晚上，爸爸在灯下认真地看书。  

1．同学们尽情地游戏着。                                                                                                                  

2．小鹦鹉飞来飞去。                                                                                                                         

3．老师批改作业。                                                                                                                             

审计目的的确定主要受（）的制约。

A.审计主体

B.审计范围

C.审计对象

D.审计方法