Are bicycles allowed to ride in parallel?

Are bicycles allowed to ride in parallel?
A)Yes, getting as close as possible to the right side of the road, except on stretches without visibility and when there are traffic jams.Correct
B)Yes, maintaining a minimum distance of 1.5 metres between them.
C)No, under no circumstances.
Vehicles required to use the shoulder are prohibited from doing so in parallel, except for bicycles, which may do so in a column of two, getting as close as possible to the right edge of the road and forming a single file on stretches without visibility or when there are traffic jams.