Select from options: Continue writing the next sentence.

A wooden outdoors stair case is shown outside of a white and brown horse. all

Choices:
(a). of a sudden, a black dog comes around the corner and trots up the stairs and multiple replays are shown.
(b). of a sudden a man appears inside of the stable and rides in to check on the horse.
(c). of a sudden starts moving and begins riding.
(d). of a sudden, a person gallops to the horse and begin cutting the hair off the horse with a super regular electric clipper, a dunk pin, and some scissors to groom the horse.
Answer:
(a).