Question ID:PT30 S4 Q20 Passage:Consumer advocate: The introduction of a new drug into the marketplace should be contingent upon our having a good understanding of its social impact. However, the social impact of the newly marketed antihistamine is far from clear. It is obvious, then, that there should be a general reduction in the pace of bringing to the marketplace new drugs that are now being tested. Stem:Which one of the following, if true, most strengthens the argument? Correct Answer Choice:AChoice A:The social impact of the new antihistamine is much better understood than that of most new drugs being tested. Choice B:The social impact of some of the new drugs being tested is poorly understood. Choice C:The economic success of some drugs is inversely proportional to how well we understand their social impact. Choice D:The new antihistamine is chemically similar to some of the new drugs being tested. Choice E:The new antihistamine should be on the market only if most new drugs being tested should be on the market also.