Question ID:PT60 S1 Q1 Passage:Jim's teacher asked him to determine whether a sample of a substance contained iron. Jim knew that magnets attract iron, so he placed a magnet near the substance. Jim concluded that the substance did contain iron, because the substance became attached to the magnet. Stem:Jim's reasoning is questionable in that it fails to consider the possibility that Correct Answer Choice:DChoice A:iron sometimes fails to be attracted to magnets Choice B:iron is attracted to other objects besides magnets Choice C:the magnet needed to be oriented in a certain way Choice D:magnets attract substances other than iron Choice E:some magnets attract iron more strongly than others