Question ID:PT70 S4 Q3 Passage:Humorous television advertisements are the only effective ones. For if something is humorous it will not only attract people's attention, it will hold their attention long enough for a message to be conveyed. And, obviously, for an advertisement to be effective it must convey its message. Stem:Which one of the following most accurately describes a flaw in the argument? Correct Answer Choice:AChoice A:It takes for granted that nothing but humor can attract a person's attention and hold it long enough for a message to be conveyed. Choice B:It confuses attracting a person's attention with holding a person's attention long enough for a message to be conveyed. Choice C:It treats a necessary condition for an advertisement's being effective as if it were a sufficient condition. Choice D:It uses two senses of the term "effective" without differentiating them. Choice E:It takes for granted that an advertisement's only purpose is to convey its message.