单项选择题
A.门冬胰岛素注射液B.普通胰岛素注射液C.甘精胰岛素注射液D.预混胰岛素注射液E.中效胰岛素注射液
A．Yes, we don'tB．Yes, we'll try our bestC．No, of course notD．No, you can't