单选题 In this passage, the writer implied that people in South Dakota________.

A、 like their children studying in a larger college
B、 enjoy great comfort of emotion in the family
C、 are trying to find out a solution to some social problems
D、 rank the lowest in birth rates in the nation

【正确答案】 B

【答案解析】[解析] “But South Dakota's students have three things going for them：strong families， small schools and old-fashioned values．”(Para．2)这句可以排除A。“South Dakota's marriage and birth rate are among the highest in the nation，and its divorce rates are among the lowest．”(Para．3)从这句可以看出在South Dokata家庭环境是良好的选B而同时排除D。C选项文中没有提及。