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Magoosh - 逻辑CR - 82
The Indonesian mimic octopus is able to camouflage itself from predators by blending into the background. Sometimes, though, even when a predator is nearby, the mimic octopus takes on a color pattern that is not present in the immediate environment. A marine biologist of cephalopods claims that this behavior is a sign of an octopus engaging in play, meaning that the behavior does not confer any specific advantage.

Which of the following, if true, would most call in to doubt the marine biologist`s claim?
  • AAn observational study that tracked a mimic octopus over the course of a week found that it changed the color of its skin even when there were no predators in the area. 分析该选项
  • BThe color pattern an Indonesian mimic octopus assumes when a predator is nearby, but that does not match its immediate environment, has been found to parallel that of various jellyfish venomous to the octopus`s predators. 分析该选项
  • CThe Indonesian mimic octopus engages in other forms of behavior that seem to serve no purpose, yet several marine biologists are reluctant to describe such behavior as play. 分析该选项
  • DThe Indonesian mimic octopus has been observed taking on the color pattern of its primary predator only when that predator is not in the octopus`s immediate environment. 分析该选项
  • EMarine biologists are not familiar with all of the environments that the Indonesian mimic octopuses inhabit, since it is known to swim into crevices deep in the ocean`s floor. 分析该选项
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正确答案: B

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