D left his horse and van unattended in a crowded street and went to see his friend in the adjoining street. While D was away, a dog barked and pounced on the horse. The horse got frightened and started running furiously along the road with the van. P, a pedestrian, saw X in danger of being run over and in order to save him pushed him away, but in doing so, he himself was injured. P sues D for damages:

A. D is liable to pay damages to P

B. D can plead valenti non fit injuria

C. D can take the defence of inevitable accident

D. D can plead novus actus interveniens

Answer: Option A