GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - LE40LOY4TBJWEZ6JJ

The author suggests which of the following about "foxes and feral cats" A. They may have benefited from the logging that followed European settlement. B. They probably affect the overall productivity of the ecosystem C. They feed primarily on ground-foraging birds. D. They rarely, if ever, feed on tree-nesting birds. E. They may have had a smaller impact on Dryandra than on the Tablelands.