The nurse is providing preoperative care to a client scheduled for an appendectomy. Which statement regarding pain control is most appropriate ？（）

A．"There's no need to ask for pain medication, you'll receive it on a schedule. "

B．"Take your pain medication after walking so that you won't feel dizzy. "

C．"Take your pain medication before your pain becomes intense. "

D．"Use as little pain medication as possible to avoid addiction. "

记账凭证的填制，除了应符合填制原始凭证的各项要求外，还应符合下列要求：（）。

A.凭证摘要简明

B.业务归类明确

C.会计分录正确

D.日期填写准确

E.凭证编号连续