确诊肠结核可根据（）

A.有腹痛、腹泻、发热等临床表现

B.X线钡剂灌肠发现回盲部病变

C.结核菌素试验阳性

D.粪便发现抗酸杆菌

E.纤维结肠镜

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

A．go

B．shall go

C．will go

D．would go