食管癌患者出现进食呛咳,最可能的原因是()
A.上段食管癌
B.食管气管瘘
C.肿瘤侵犯迷走神经
D.肿瘤侵及气管
E.患者伴有气管炎
参考答案:B
The damaged cargo is not allowed to export without().
A.repairing or replacing
B.to repair or to replace
C.being repaired or replaced
D.to be repaired or replaced