Explanation
Correct answer: A.
Choice A is the best answer. The sentence compares the extinction risks of the two species, noting that C. olivacea has a higher risk of becoming extinct in the near future than C. furcatus.
Why the other choices are wrong
Choice B
Choice B is incorrect. While the sentence does compare the extinction risks of the two species, it misrepresents information from the notes; C. olivacea faces a higher risk of becoming extinct in the near future than C. furcatus, not the other way around.
Choice C
Choice C is incorrect. While the sentence mentions that conservation organizations have evaluated both species for extinction risk, it doesn’t compare the extinction risks of the two species.
Choice D
Choice D is incorrect. While the sentence states that C. olivacea faces a high risk of extinction, it doesn’t mention C. furcatus or compare the extinction risks of the two species.