TOEFL Reading: ETS-TOEFL阅读机经 - CMNXA13351X5L53YL$

Paragraph 3 supports which of the following statements about dark-eyed juncos? A. The habitat preference of dark-eyed juncos changes with the amount of daylight present. B. Wild-caught dark-eyed juncos do not recognize photographs of their own habitat. C. Dark-eyed juncos choose their habitat based on seasonal temperatures. D. Artificial light affects dark-eyed juncos' choice of habitat differently than does natural sunlight.