If, upon arriving at the scene of an accident, help is already organised, what should we do?

If, upon arriving at the scene of an accident, help is already organised, what should we do?
A)Stop; we are obliged to do so.
B)Continue on our way so as not to obstruct the traffic following us.Correct
C)Stop to check that the organisation is adequate.
If help is already organised and we cannot contribute anything specific, we should continue on our way so as not to obstruct the traffic following us. Just by slowing down, we are already causing a major traffic jam behind us, known as the rubbernecker effect.