–Excuse me haven’t you learned the new law? Everyone in a car must wear theseat belt.-- S

问题补充：

–Excuse me, haven’t you learned the new law? Everyone in a car must wear theseat belt.

-- Sorry, we won’t do that again.

A. food

B. traffic

C. medicine

D. education

答案：

A. food

(答案→)B. traffic

C. medicine

D. education

解析：food食物； traffic交通； medicine药；education教育。句意：打扰了，你没有学过新交通法吗？——车里面的每个人都要系安全带。——抱歉，我不会再那样做了。结合语境可知选B。