— I’m sorry to tell you that you made a mistake in your test.

— How can that be? I did it _______ in class.

A．as told

B．as am told

C．as telling

D．as I told

( )是业主大会的执行机构，具体执行业主大会决定的事项。

A．业主

B．物业管理企业

C．政府

D．业主委员会