Question ID:PT37 S4 Q11 Passage:Lydia:  Red squirrels are known to make holes in the bark of sugar maple trees and to consume the trees' sap.  Since sugar maple sap is essentially water with a small concentration of sugar, the squirrels almost certainly are after either water or sugar.  Water is easily available from other sources in places where maple trees grow, so the squirrels would not go to the trouble of chewing holes in trees just to get water.  Therefore, they are probably after the sugar.Galina:  It must be something other than sugar, because the concentration of sugar in the maple sap is so low that a squirrel would need to drink an enormous amount of sap to get any significant amount of sugar. Stem:Which one of the following, if true, most undermines the force of Galina's attempted rebuttal of Lydia's argument? Correct Answer Choice:DChoice A:Squirrels are known to like foods that have a high concentration of sugar. Choice B:Once a hole in a sugar maple trunk has provided one red squirrel with sap, other red squirrels will make additional holes in its trunk. Choice C:Trees other than sugar maples, whose sap contains a lower concentration of sugar than does sugar maple sap, are less frequently tapped by red squirrels. Choice D:Red squirrels leave the sugar maple sap that slowly oozes out of the holes in the tree's trunk until much of the water in the sap has evaporated. Choice E:During the season when sap can be obtained from sugar maple trees, the weather often becomes cold enough to prevent sap from oozing out of the trees.