The main purpose of paragraph 3 in the passage's discussion of domestication is to A. illustrate why the broad-spectrum argument cannot be applied universally as an explanation of domestication B. support the importance of broad-spectrum foraging in contributing to the development of domestication in the New World C. call into question the idea that the more to broad-spectrum foraging ever led to the development of domestication D. help explain why domestication and broad-spectrum foraging developed simultaneously