In the following two hours he was _____ the performance, because it turned out to be as wonderful as he had expected.[ ]

A. tired of  

B. absorbed in    

C. annoyed with  

D. disappointed with

下面哪个语句是正确的 ( )

A．Object o=new Button("A")；

B．Button b=new Object("B")；

C．Panel p=new Frame()；

D．Frame f=new Panel()；