Which of the Following Is True Regarding an Agent's Liability

Which of the following is true regarding an agent's liability when the agent commits a tort while acting as an agent for a principal?

A) The agent is personally liable only if the agent was on a mission for an unidentified principal.
B) The agent is personally liable only if the agent was on a mission for an unidentified principal or a partially disclosed principal.
C) The agent is liable regardless of the classification of the principal or the liability of the principal.
D) The agent is not liable if the principal is liable.
E) The agent is not liable unless the principal is insolvent.