Multi-choice problem: Continue writing the next sentence in this paragraph:

Man is standing in front of a horse in a barn. people

Available options:
(a). are omuing snowy land in a wheelbarrow.
(b). were going running in a field holding frisbees and other men are kneeling in a track.
(c). are riding horses in a line in a alrge gren grassy field.
(d). are walking in the london of a small town.
(c).