公安消防部队的神圣职责和使命不包括（）。

A、监督执法

B、灭火救援

C、服务社会

D、社会救助

The nurse is working in a support group for clients with acquired immunodeficiency syndrome (AIDS). Which point is most important for the nurse to stress（）

A. Avoiding the use of recreational drugs and alcohol.

B. Refraining from telling anyone about the diagnosis.

C. Following safer-sex practices.

D. Telling potential sex partners about the diagnosis, as required by law.