The statement "diet-drug revolution is facing a backlash" is supported by the following facts excel______.
A．in Florida, patients are told to turn away from the use of fen-phen within a month B．some states have limited or forbidden the prescriptions of the diet pills C．diet chains and some of the HMOs have removed their support for the pills D．Sheldon Levine, a New Jersey doctor, touted one of the pills on TV and in his book