—Where’s my music disc? I can’t see it!

—You’d better             the disc carefully in your bedroom.

A. look up     B. look through    C. look for

患者男，经常周期性上腹痛3年，空腹发作，夜间更重，进食可缓解，服西米替丁可止痛

最可能的诊断是

A．慢性胃炎

B．胃溃疡

C．胃黏膜脱垂症

D．十二指肠雍积症

E．十二指肠球部溃疡