Which of the Following Is True Regarding Agent Liability When

Which of the following is true regarding agent liability when a third party gets a judgment against a previously undisclosed principal?

A) The agent is freed from liability to the third party.
B) The agent remains liable to the third party.
C) The agent is freed from liability to the third party unless the principal refuses to pay.
D) The agent is freed from liability to the third party unless the principal files for bankruptcy.
E) The agent is freed from liability to the third party unless a contract for personal service was involved.