关于入海河口，下列说法哪个不正确（）.
A、航道远离岸线，可利用的岸标较少
B、受风影响大，但锚泊条件好
C、容易受雾的影响
D、容易迷失方向
参考答案：B
— When did you go to bed last night?
— Very late. I didn't go to bed _____ my father came back. [ ]
A. until
B. since
C. while
D. after
