GRE Reading Comprehension: PPO-GRE阅读PPO - HT12165H14338G4PR

The author of the passage refers to "extravagant colors" primarily to A. validate a view about bees' color vision that was once commonly accepted B. suggest why it might be surprising that bees were thought to be color-blind C. complicate the debate about bees' color vision D. point out a reason for bees' visual limitations E. anticipate an objection to the methodology of the experiment described in the passage