TOEFL Reading: ETS-TOEFL阅读机经 - 81GLLUV6TANK7P73L$

According to paragraphs 2 and 3, all of the following are true about San Francisco white-crowns EXCEPT: A. They do not migrate to another area in spring to establish territories. B. They completely acquire their song as early as three months after birth. C. They establish territories in their first autumn. D. They begin singing much earlier in captivity than they do in nature.