Reference - Bank Robbery

Reference - Bank Robbery. Safe Bank was robbed of a significant sum of cash by Victor. Safe Bank offered a reward of $10,000 for anyone who captured or provided information leading to the capture of Victor. Ted, a police officer in town, promised Safe Bank officials that he would apprehend Victor. While on duty, Ted arrested Victor at a hamburger joint in town. He found Victor based upon a hunch he had after Ursula, who dated Victor, told him about various places Victor enjoyed eating. The bank refuses to pay either Ursula or Ted any of the reward money. Which of the following is true regarding the offer of the reward?

A) It pertained to a bilateral contract that could be accepted only with consideration consisting of a promise.
B) It pertained to a bilateral contract that could be accepted only with consideration consisting of performance.
C) It pertained to a bilateral contract that could be accepted with consideration consisting of a promise performance.
D) It pertained to a unilateral contract that could be accepted with consideration consisting of a promise.
E) It pertained to a unilateral contract that could be accepted with consideration consisting of performance.