In paragraph 5, why does the author mention the Ice Age rope found in the French cave of Lascaux? A. As an example of an item on which the marks of wear imply that it was used by a right-handed person B. Because tressing is an activity that is easier for a right-handed person than for a left-handed person C. Because the cave of Lascaux is the site where researchers have found several prehistoric tools made for right-handed people D. As an example of an item whose construction shows that it was right handed made by a right-person