Safety must come first. During the coming summer vacation after graduation, we should _________ to keep safe during the journey.

a. tell the strangers our personal information.

b. obey the local traffic rules.

c. never stretch our hands out of the window when taking a bus.

d. avoid eating raw and cold food.

e. swim in the dangerous area

A、b,c,d

B、a,d,e

C、a,b,c