How long, at most, may an overtaking manoeuvre carried out by a moped last?

How long, at most, may an overtaking manoeuvre carried out by a moped last?
A)The minimum time strictly necessary.
B)15 seconds or 200 metres of driving in parallel with the overtaken vehicle.Correct
C)30 seconds or 300 metres of driving in parallel with the overtaken vehicle.
When vehicles obliged to drive on the shoulder, as is the case with mopeds, overtake others, the duration of driving in parallel will be a maximum of 15 seconds or 200 metres.