Best-selling author and race car driver Han Han offered a 20 million RMB reward to _____ could prove his works were ghostwritten (代笔).

A．no matter who

B．whoever

C．who

D．whomever

经济学家张维迎认为，中国过去30多年的经济奇迹源于市场的逻辑，即生产力的提高来自技术进步和创新，技术进步和创新来自劳动分工。劳动分工受市场规模的限制。市场的规模越大，参与交易的人越多，市场的分工就会越细，技术进步就会越快。下列经济现象最能印证上述观点的是

A．开放浦东，打造活力上海

B．加人世贸，融人全球经济

C．简政放权，增强企业活力

D．包产到户，提高农民收入