GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - T4D84TR0M75LNGWUJ

Which of the following is an assumption on which the argument depends? A. The places in which monkeys sleep are easily accessible to researchers. B. Information about a particular monkey's parentage is the only kind of information that can be determined from DNA that has been extracted from that monkey's hair. C. For at least some samples of hair collected from monkey habitat it will be possible to associate hairs with the individual monkeys from which they came. D. Examining DNA is the only way to determine the parentage of wild monkeys. E. It will be necessary to obtain any hair samples used in determining a monkey's parentage from a place where the monkey has slept.