A hospitalized client who has a living will is being fed through a nasogastric (NG) tube. During a bolus feeding, the client vomits and begins choking. Which of the following actions is most appropriate for the nurse to take（）

A. Clear the client’s airway.

B. Make the client comfortable.

C. Start eardiopulmonary resuscitation.

D. Stop the feeding and remove the NG tube.

在反洗程序执行时有报警动作可压下（）

A、紧急终止按钮

B、手动控制按钮

C、半自动按钮

D、逐步反洗按钮