单选题 One of the great changes brought about by the knowledge Society is that______

A、 the difference between the employee and the employer has become insignificant
B、 people's traditional concepts about work no longer hold true
C、 most people have to take part-time jobs
D、 people have to change their jobs from time to time

【正确答案】 B

【答案解析】第一段倒数两句指出，然而经济变革的广度是不能用数字来衡量的，因为它也使人们以崭新的方式来思考工作的本质本身。对于工作和事业的长期观念、成功的技巧、甚至雇主与雇员的关系，所有这些都在改变。答案明显为(B)。