Excuse me, Marcia, a reporter from Vanity Fair        all day. Could you speak to her now?[ ]

A. phones          

B. has phoned        

C. has been phoning      

D. phoned

男性患者，24岁，近2年来有胸骨后疼痛感，饮食睡眠情况可，体重不减轻，行X线钡餐检查，结果如图所示，最有可能的诊断是（）

A.食管癌

B.食管平滑肌瘤

C.食管憩室

D.贲门失弛缓症

E.以上均不正确