【单选题】

The nurse is caring for a client who underwent a subtotal gastrectomy 24 hours earlier. The client has a nasogastric (NG) tube. The nurse should

A、apply suction to the NG tube every hour.
B、clamp the NG tube if the client complains of nauseA、
C、irrigate the NG tube gently with normal saline solution.
D、reposition the NG tube if pulled out.