GRE Reading Comprehension: JiJing 352-GRE阅读机经352篇 - VHLBHA5YOBBA76HHJ

The author suggests that the work of Fisher and Hamilton was similar in that both scientists A. conducted their research at approximately the same time B. sought to manipulate the sex ratios of some of the animals they studied C. sought an explanation of why certain sex ratios exist and remain stable D. studied game theory, thereby providing important groundwork for the later development of strategy theory E. studied reproduction in the same animal species