A Large Sign at the Entrance to Fitness Club States

A large sign at the entrance to Fitness Club states in bold red letters that "the club is not responsible for any loss due to theft." Most likely, with respect to limiting the club's liability, this sign is

A) effective.
B) not effective because it is against public policy.
C) not effective because it is an exculpatory cause.
D) not effective because an ordinary bailee cannot limit his or her liability.