The flight has been delayed for

The flight has been delayed for four hours（ ） the foggy weather.
A、for fear of
B、owing to
C、for the sake of
D、according to
【正确答案】：B
【题目解析】：owing to 由于/归咎于，句子含义是由于大雾天气，飞机被延迟了四个小时。