GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - 02HHL002VZZN5MH4J

Based on information in the passage, about how many gorillas have survived Ebola in regions where the virus is prevalent? A. about 1 percent B. about 1 in 10 C. about half D. nearly 9 in 10 E. nearly 4 in 5