单选题 James denounced sorcery, adultery, ______, incest, extortion, and murder; he would not eat prepared food, which he said was unclean, and stopped drinking milk.

【正确答案】 C
【答案解析】[解析] monogamy“一夫一妻制”；monologue“独自，独角戏”；polygamy“一夫多妻，一妻多夫”；polygene“多基因”。答案是C。