吞钡X线检查显示食管下段黏膜皱襞粗乱，食管蠕动减弱，有不规则收缩

A．反流性食管炎
B．食管癌
C．食管静脉曲张
D．贲门失弛缓症
E．食管裂孔疝

—When did you            ?

—I've            here for half a day. [ ]

A. arrive; arrived

B. reach; come

C. reach; reached

D. arrive; been