题目

When I was a boy there were no smart phones, computers were something you saw on STAR TREK, and our television only got one channel clearly. Still, I was never bored. The fields, hills, and woodlands around my home were the perfect playgrounds whose adventures were only limited by my imagination. I can remember once hiking to a nearby lake and slowly walking around it. At the backside of it I was amazed to find an old, one lane, dirt road that I had never seen before. I immediately set out to travel it. It was full of muddy tire tracks and deep woods bordered it on both sides, but exploring it新航路开辟后，许多新的商品如美洲的烟草、可可和中国的茶叶等出现在欧洲市场上，香料等传统商品的交易量更是成倍上升。这表明新航路开辟A. 引起了“价格革命”B. 引起了“商业革命”C. 引起了“贸易革命”D. 引起了“商业危机”