答案：B

注意此题难点在于The people who are more confident have more是一个定语从句，

who are more confident修饰的是The people，句子结构The people (who are more confident )have more注意括号是考生在看题的时候需要留意的，切忌不分析句子结构就翻译的习惯！句子结构分析清楚后，句子意思自然就出来了。