Which of the Following Is True of Tort Liability for Principals

Which of the following is true of tort liability for principals and agents?

A) A principal is responsible for the tortious conduct of an agent regardless of whether the conduct occurs within the scope of the agency.
B) A principal is responsible for the tortious conduct of an agent regardless of whether the conduct occurs within the course of the agency.
C) An agent is liable for the principal's tortious conduct if he or she participates in it.
D) An agent and a principal cannot be held responsible for the same tort.