The sign in the image indicates that:

A)Cycle users must travel on the road reserved for bicycles and PMVs.
B)It is recommended that cycle users dismount from their vehicle and continue on foot.
C)Cycle users are obliged to continue on foot, dismounting from their vehicle.Correct
Sign R-422 indicates the obligation for cycle users to dismount and continue on foot along the signposted section. If this obligation is limited to certain periods, it will be indicated by means of a supplementary panel.