---- We’re organizing a party next Saturday, and I’d like you to come.

---- _______! I have another one that day. Thank you just the same.

A．Good luck

B．What a pity

C．Never do it again

D．Well done

监测自动化系统设计应以（），遵循“（）”原则，并应满足水电厂现代化管理的需求。