从社会保险责任分，( )是社会保险法律关系的主体。

A．投保人

B．国家

C．被保险人

D．受益人

The nurse-manager has noticed a sharp increase in the mediation errors with IV antibiotics over the last month. She discusses the situation with each nurse involved. What other action should she take（）

A. Document it on their evaluation.

B. Ask them to attend inservice training for administration of IV medications.

C. Report them to the supervisor.

D. Report the incidents to the hospital attorney.