糖化血红蛋白主要是指( )

A、HbA
B、HbA[img=~\/QImg\/2013-06-26-17-11-54\/image002.gif]
C、HbA[img=~\/QImg\/2013-06-26-17-11-54\/image017.gif]
D、Hb
E、HbA[img=~\/QImg\/2013-06-26-17-11-54\/image001.gif]和Hb[img=~\/QImg\/2013-06-26-17-11-54\/image001.gif]