下列哪种肌松剂的代谢均受年龄因素的影响，哪项受影响最小()

A．琥珀胆碱

B．阿曲库铵

C．杜什溴铵

D．泮库溴铵

E．维库溴铵

The danger associated with using carbon dioxide in an enclosed space is（）.

A.frostbite

B.skin burns

C.asphyxiation

D.an explosive reaction