Question ID:PT71 S1 Q9 Passage:Records from 1850 to 1900 show that in a certain region, babies' birth weights each year varied with the success of the previous year's crops:  the more successful the crops, the higher the birth weights. This indicates that the health of a newborn depends to a large extent on the amount of food available to the mother during her pregnancy. Stem:The argument proceeds by Correct Answer Choice:AChoice A:inferring from a claimed correlation between two phenomena that two other phenomena are causally connected to one another Choice B:inferring from the claim that two phenomena have fluctuated together that one of those phenomena must be the sole cause of the other Choice C:inferring from records concerning a past correlation between two phenomena that that correlation still exists Choice D:inferring from records concerning two phenomena the existence of a common cause of the phenomena and then presenting a hypothesis about that common cause Choice E:inferring the existence of one causal connection from that of another and then providing an explanation for the existence of the two causal connections