该患者因血糖控制不满意，每餐加用胰岛素2个单位，患者主诉注射胰岛素后约5小时，出现头晕、心慌、出汗、软弱无力感。考虑患者最有可能是

A．低血糖

B．酮症酸中毒

C．过敏反应

D．心律失常

E．植物神经功能紊乱

You'd better speak as _      _ English as you can.            [ ]

A. more          

B. many          

C. much