Leonard Is a Traveling Salesman for Bighorn,Inc

Leonard is a traveling salesman for Bighorn,Inc.He calls on Ralphyl,one of his regular accounts,in order to solicit another order.While in the store,Leonard collects a past due account for Bighorn,but he doesn't get another order.It has been a bad day in which Leonard hasn't had any orders.He is so angry about this when he leaves the store that he drives negligently and hits a pedestrian with his car.In this case:

A) Bighorn has no liability for Leonard's negligence,because Leonard is responsible for his own negligent conduct.
B) since he was driving at the time of the negligent conduct,Leonard was no longer within the scope of his employment.
C) Bighorn will be liable for Leonard's negligence under the doctrine of respondeat superior.
D) Leonard is an independent contractor and,therefore,Bighorn will have no liability for his negligence.