Question ID:PT85 S3 Q12 Passage:A recently discovered fossil, which is believed by some to come from Archaeoraptor liaoningensis, a species of dinosaur, can serve as evidence that birds evolved from dinosaurs only if the entire fossil is from a single animal. However, the fossil is a composite of bones collected from various parts of the discovery site, so it does not provide evidence that birds evolved from dinosaurs. Stem:The conclusion drawn in the argument follows logically if which one of the following is assumed? Correct Answer Choice:BChoice A:The only paleontologists who believe that the entire fossil is from a single animal are those who were already convinced that birds evolved from dinosaurs. Choice B:If the fossil is a composite, then it has pieces of more than one animal. Choice C:There are other fossils that provide evidence that birds evolved from dinosaurs. Choice D:If the entire fossil is from a single animal, then it is a well-preserved specimen. Choice E:The fossil was stolen from the discovery site and sold by someone who cared much more about personal profit than about the accuracy of the fossil record.