单选题 As a way of ______ domestic harmony and creating a manageable routine, some couple choose one of the three different styles of household role division : traditional, egalitarian or cooperative.

【正确答案】 A
【答案解析】foster harmony形成和谐环境。foster抚育，培养。confer协商，赠与。breeding饲养，教养。establish建立，设立，使定居。