An elderly client with Alzheimer's disease begins supplemental tube feedings through a gastrostomy tube to provide adequate calorie intake. The nurse should be concerned most with the potential for （）.

A．hypoglycemia.

B．fluid volume excess.

C．aspiration.

D．constipation.

女患者，婚后夫妇同居4年，未避孕而未受孕，应属（）

A.断绪

B.断产

C.五不女

D.全不产

E.以上都不是