Effect: At least twenty school children were seriously injured while going for a school picnic during the weekend.
Which of the following can be a probable cause of the above effect?

A

The teacher accompanying the school children fell ill during the journey.

B

The bus in which the children were travelling met with an accident while taking turn on the main highway.

C

The driver of the bus in which the children were travelling did not report after the break at the halting place on their journey.

D

The school authority banned all school picnics for the next six months with immediate effect