Mike Worked for Frank's Pizza as a Driver

Mike worked for Frank's Pizza as a driver.His duties consisted of making deliveries along a designated route.One day Mike decided to see his girlfriend,Jackie,who lived 50 miles out of his pizza route.While driving to his girlfriend's,Mike injured a pedestrian,Chuck.The accident was caused because of Mike's negligent operation of the delivery truck.Chuck is now suing both Mike and Frank's for personal injuries.Under the circumstances:

A) Frank's is probably liable under the doctrine of respondeat superior.
B) Frank's is not liable for the negligent torts of its agents.
C) Chuck can probably recover damages from both Frank's and Mike.
D) Frank's is probably not liable because Mike's excursion was not within the scope of his employment.