prep12有道题的意思没看明白，求指教

Drug manufacturer: Television audiencesare sure to realize that the “physician"recommending our brandof cough syrup in our advertisementis actually an actorplaying a role. Hence they will not place unduetrust in the advice given by this actor. Therefore, networks should relaxtheir guidelines to permit our companyto broadcast this advertisement.

Television executive: If the audience can tell thatthe actor is not a physician, then your advertisement need not have a physicianfigure recommending your product.

Which of the followingis an argumentative strategy used by the television executive in responseto the drug manufacturer?

A.       Indicating that the reason the drug manufacturer offers for relaxing the guidelines conflicts with the manufacturer's presumed motive for presenting the image of a physician in the advertisement

B.       Asserting that the drug manufacturer's expressed desire to broadcastthe advertisement is motivated by self- interestrather than by genuine interest in the good of the audience

C.       Invoking subjective opinions concerning audience reaction to television advertisements as if those opinions constituted objective evidence

         D.      Pointing out that the goals of the drug manufacturer's company differ from those of television networks

E.       Questioning the ability of the drug manufacturer to make any sweeping generalization about what the many different members of the audiencemay think