We have been told that under no circumstance_____ the telephone in the office for personal affairs.

A．may we use

B．we may ring

C．we could borrow

D．did we answer

作为党绝对领导下的公安消防部队，（）是永远不变的警魂，忠于党、忠于祖国、忠于人民、忠于法律是永远不变的政治本色。

A、忠诚

B、使命

C、职责

D、忠贞