A) with the help of some passengers, check them from doing so
B) let them pull the chain but check them from detraining.
C) inform the guard of the train as soon as it stops.
D) keep quiet and do nothing.
A) with the help of some passengers, check them from doing so
B) let them pull the chain but check them from detraining.
C) inform the guard of the train as soon as it stops.
D) keep quiet and do nothing.