why did you arrive late?---The fog---our air flight for about half an hour. A held up B turned downC broke upD pulled do
问题描述：
why did you arrive late?---The fog---our air flight for about half an hour. A held up B turned downC broke upD pulled down要理由
答
选择a
耽误的意思,hold up
b：拒绝
c：断绝关系
d：拉下来,扯下来.