抢救糖尿病酮症酸中毒应用碳酸氢钠的指征是

A．出现低钾血症

B．常规应用

C．出现严重心律失常

D．二氧化碳结合力＜5.9mmol/L或血 pH＜7.1

E．合并严重感染

         was most important to her, she told me, was her family.[ ]

A．It

B．This

C．What

D．As