你一定有过很多难忘的假期，它们给你留下了许多美好的回忆。请你描述你印象最深刻的那个假期。（不少于60字）

1.Where did you...?     2. What did you do?       3. How was the weather there?

4. How were the people and the food there?        5. What did you think of it?

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男性，60岁。中上腹不适5年，1个月来食后饱胀就诊。有嗳气，不反酸，胃纳不佳，体重减轻。化验：红细胞3.0×10¹²/L，血红蛋白90g/L。

今后患者最主要的随访措施是（）。

A.大便隐血试验

B.胃肠钡餐检查

C.胃镜及随访

D.胃液分析

E.血清胃泌素测定