" What should I get my mum for her birthday ?” “Why _____ get her a scarf ?"

A. don 't you  B. do you. C. are you.

患者男性，72岁，因偏瘫昏迷2天就诊，诊断为脑出血，患者随后出现呕血、黑便，最可能的病因是（）

A.胃溃疡

B.十二指肠球部溃疡

C.胃癌

D.肝硬化食管胃底静脉曲张破裂出血

E.急性糜烂性胃炎