GRE Reading Comprehension: ETS-GRE阅读ETS - OHSUH2DF7YD40VSW7

The passage supplies information to suggest that which one of the following would happen if a pond inhabited by water bugs were to dry up in June? A. The number of developmental responses among the water-bug population would decrease. B. Both micropterous and macropterous water bugs would show an acclimatory response. C. The generation of water bugs to be hatched during the subsequent spring would contain an unusually large number of macropterous individuals. D. The dimorphism of the summer generation would enable some individuals to survive. E. The dimorphism of the summer generation would be genetically transferred to the next spring generation.