❓ 문제 According to the passage, what was the primary cause of the pathological behaviors observed in Calhoun's experiments?
- A. A) A lack of food and water in the experimental environment
- B. B) The physical barriers that prevented social interaction among mice
- C. C) The abnormally high number of social contacts per individual due to overcrowding
- D. D) The genetic predisposition of the rodent population to aggression
