— My car has broken down. Could you please give me a ride tomorrow?

— I'm sorry I _____. I'm leaving for London tonight. [ ]

A. can't

B. mustn't

C. couldn't

D. shouldn't

有关胃的叙述，错误的是

A．胃的上口接食管，称为贲门
B．胃的下口接十二指肠，称为幽门
C．胃贲门口下缘水平线以下为胃底
D．贲门位于胃的内侧壁
E．以贲门为中心半径2.5cm的区域称贲门区