妊娠合并糖尿病需使用药物治疗时应选用（）
A.苯乙双胍（降糖灵）
B.消渴丸
C.胰岛素
D.格列本脲（优降糖）
E.逍遥丸
参考答案：C
— Excuse me, but could you please turn the radio down?
— Sorry. I _____ you could hear it. [ ]
A. don't realize
B. haven't realized
C. didn't realize
D. hadn't realized
6，3，3，( )，3，-3
A．0B．1C．2D．3
