单选题 Mcguire proposed Labor Day in order to ______.

A、 draw people's attention to the striking contrast between the rich and the poor
B、 make prominent the important role of the working class in society
C、 win for the workers the right to shorter working hours
D、 expose the exploitation of the workers by their bosses

【正确答案】 B

【答案解析】[解析] 具体细节题。根据文章第一段中间…he proposed a holiday that would applaud“the industrial spirit-the great vital force of every nation，”．．．可知Mcguire的提议设立劳动节的初衷是为了赞美“工业精神——每个国家的生命力所在”，在强调工业精神也即工人阶级在社会中的重要作用。所以选项B正确。