- Sorry, Helen. I think I was a bit rude to you.

-________ but don't do it again.

A．Forget it

B．Not a word

C．For sure

D．Not a bit

智能建筑的基本构成（）

A.楼宇自动化系统

B.通信网络系统

C.家庭智能化系统

D.办公自动系统