“I am sorry to tell you that your flight has been delay...
“I am sorry to tell you that your flight has been delayed owing to mechanical difficutlies.”翻译应为（）。
A.非常抱歉的告诉您，您的航班由于天气原因被延误了。
B.非常抱歉的告诉您，您的航班由于机械故障被延误了。
C.非常抱歉的告诉您，您的航班由于机组原因被延误了。
D.非常抱歉的告诉您，您的航班由于航空公司被延误了。
