关于“梅核气”正确的是()
A．将梅核卡于喉咽部
B．咽部的异常感觉
C．嗳气如梅核味
D．颈部有状如梅核的包块
E．咽部返酸
参考答案：B
Kunming is called “Spring City”, but it _____ snow in winter.
A．shall
B．can
C．must
D．might
