The statement diet-drug revolution is facing a backlash (Para. 2) is supported by the following facts except _______.
A．diet chains and some of the HMOs have removed their support for the pills
B．some states have limited or forbidden the prescriptions of the diet pin
C．in Florida, patients are told to turn away from the use of fen-phen within a month
D．Sheldon Levine, a New Jersey doctor, touted one of the pills on TV and in his book