Question ID:PT91 S2 Q18 Passage:Classicist:  Our mastery of Latin and Ancient Greek is at best imperfect. The best students of a modern language may so immerse themselves in a country where it is spoken as to attain nearly perfect knowledge; but you cannot travel back in time to spend a year abroad at Plato's Academy. Stem:Which one of the following most accurately describes the role played in the classicist's argument by the claim that you cannot travel back in time to spend a year abroad at Plato's Academy? Correct Answer Choice:BChoice A:It is the main conclusion drawn in the argument. Choice B:It points up by example a contrast from which the conclusion is drawn. Choice C:It is a mere rhetorical flourish having no logical relation to the argument's conclusion. Choice D:It is a premise that guarantees the truth of the argument's conclusion. Choice E:It is an ancillary conclusion drawn in the argument.