47. Why does the author mention “chromatophores?”
(A)To explain how cephalopods change their color.
(B)To explain how cephalopods change their texture.
(C)To demonstrate how muscles affect the nervous system.
(D)To showcase the evolutionary progress of octopuses.

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統計: A(47), B(13), C(5), D(3), E(0) #3262773

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"These muscles can...
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