参考答案

正确答案：C
解析：文章表明，美国人非常关注孩子的抚养问题，他们进行理论研究，并转化为实践。第一段Americans are people obsessed with child-rearing．In their books，magazines，talk shows，parent trainingcourses，White House conferences，and chats over the back fence，they endlessly debate the best waysto raise children．Moreover，Americans do more than debate their theories；they translate them into ac-tion．