下列检查方法对慢性胃炎无分型意义的是（）。

A.胃酸测定

B.血清胃泌素测定

C.纤维胃镜及胃粘膜活检

D.上消化道造影

E.血清壁细胞抗体检查

With just four years _______, the Brazil Olympic organizers have promised to deliver an equally inspirational ceremony.

A．gone

B．to go

C．going

D．go