男性，46岁。既往无胃病史，半年来自觉乏力，食欲减退，间断出现黑便，无呕血，体重下降约10kg。查体：上腹部膨隆，轻压痛，肝、脾未触及，移动性浊音（-），大便潜血（+）。此患者首先怀疑诊断为（）。

A.慢性萎缩性胃炎

B.胃癌

C.食管静脉曲张破裂出血

D.应激性溃疡出血

E.消化性溃疡出血

If you want some one to lend you his bike. What would you say to him? [ ]

A. Do you have a bike?

B. Where is your bike?

C. May I borrow your bike?

D. You can lend me your bike.