A. 对 B. 错
A. [0,1,2,3,4,5,6,7,8,] B. [0,1,2,3,4,5,6,7,8,9] C. [0,1,2,3,4,5,6,7,8] D. [1,2,3,4,5,6,7,8,9]
A. 生殖激素处理 B. 改变光照期 C. 雄性动物刺激 D. 结束泌乳