Question ID:PT65 S4 Q7 Passage:The ruins of the prehistoric Bolivian city of Tiwanaku feature green andacite stones weighing up to 40 tons. These stones were quarried at Copacabana, which is across a lake and about 90 kilometers away. Archaeologists hypothesize that the stones were brought to Tiwanaku on reed boats. To show this was possible, experimenters transported a 9-ton stone from Copacabana to Tiwanaku using a reed boat built with locally available materials and techniques traditional to the area. Stem:Which one of the following would be most useful to know in order to evaluate the support for the archaeologists' hypothesis? Correct Answer Choice:AChoice A:whether the traditional techniques for building reed boats were in use at the time Tiwanaku was inhabited Choice B:whether green andacite stones quarried at the time Tiwanaku was inhabited were used at any sites near Copacabana Choice C:whether reed boats are commonly used today on the lake Choice D:whether the green andacite stones at Tiwanaku are the largest stones at the site Choice E:whether the reed boat built for the experimenters is durable enough to remain usable for several years