Assuming That the Gym Is Not Liable,what Would Be the Reason

Assuming that the gym is not liable,what would be the reason why?

A) Because an implied bailment requires knowledge of the existence of the bailed property by both parties,and Roxie hid the phone in her clothes.
B) Because the gym is a public facility in which there is a lessened expectation of liability than in private or exclusive facilities.
C) Because an express bailment must be in writing and signed by both parties,and no such agreement was in place in this scenario.
D) Because the gym limited their liability by posting conspicuous signs describing the limits of their liability.
E) Because the phone was stolen by a third party,and the act was therefore out of the gym's ability to control.