Bob's Painting Service Hired 3 Temporary Workers Through Deb's Temps

Bob's Painting Service hired 3 temporary workers through Deb's Temps. Bob didn't ask if back ground checks had been done on the employees. Deb did not check the criminal records for the workers hired by Bob. One of the workers, Joe Herrington, had been convicted of rape and had just recently been released from prison. While working for Bob, Joe attacked and raped the owner of the home that was being painted. The owner sued Bob.

A) Bob is not liable because Joe was a temporary worker hired though Deb's Temps.
B) Bob may be liable because he did not make sure that adequate back ground checks had been done for the workers he hired.
C) Bob is not liable because Joe was not acting within the course and scope of his employment.
D) None of the choices are correct.