考博考试

根据网考网考试中心的统计分析，以下试题在2017/7/11日考博习题练习中，答错率较高，为：91%
【单选题】According to the article, what changes did the Commercial Revolution bring about


A．Methods of production
B．Appearance of craft guilds
C．Increased trade volume
D．Growth of trade, banking and methods of production