________, but the idea of having to work more than ten hours a day without weekends discouraged me.

A．Wanting to be a teacher

B．Although I wanted to be a teacher

C．I had wanted to be a teacher

D．To want to be a teacher

在执行航班中发生任何不安全事件及安全隐患，乘务长及相关责任人都要按程序上报（）系统。

A.CLB

B.电子版乘务日志

C.SMS

D.以上都是