We hurried all the way to the airport , only       that the flight had been called off because of the foggy weather .

A．being told

B．to be told

C．having told

D．to have been told

根据STCW公约，电子电气员的强制性最低要求中不含（）。

A.教育和培训

B.船上培训

C.适任标准

D.学历要求