How many low-beam headlights must motorcycles without a sidecar have installed?

How many low-beam headlights must motorcycles without a sidecar have installed?
A)Only one at the front.
B)Two, mandatory, one at the front and one at the rear.
C)One or two at the front.Correct
Motorcycles with or without a sidecar must have one or two low-beam headlights at the front. If there is one light, it must be on the longitudinal median plane of the vehicle. If there are two lights, they must be symmetrical with respect to the longitudinal median plane of the vehicle.