Ken's boss Louis tells him to drive the company truck to Dallas to pick up a shipment. On the way, the truck runs low on gas. He pulls off the Interstate to fill up the tank, and he gets into a minor accident with Al in the gas station parking lot. Later, Ken runs out of Copenhagen (chewing tobacco). He again pulls off the interstate to stop at a 7-11 to buy Copenhagen. While leaving the store, he again has a minor accident, this time with Ben.
Assume that Ken would be considered one of Louis' employees. Which of the following would be able to sue Louis over Ken's negligent driving?

A. Al
B. Ben
C. Both Al and Ben
D. Neither Al nor Ben