大肠埃希菌的重要生化特性有（）

A.分解乳糖产酸不产气

B.分解糖类产酸产气

C.在SS平板上形成蓝色菌落

D.在平板上形成α溶血

E.甲基红试验阴性

I must go there earlier. John has suggested that I _____an hour before the discussion begins.

A．will go

B．shall go

C．go

D．would go