— It's time for the weather report. Could I _____ the TV, Dad?

— Go ahead, please. I also want to know about the weather for tomorrow.     [ ]

A. turn on                    

B. turn off              

C. turn down

儿童自我意识发展的第三阶段是( )。

A．社会自我

B．心理自我

C．生理自我

D．精神自我