Which of the following is not true of the U.S. economy?
A、It is based largely on a free enterprise system.
B、There is little government involvement in the economy.
C、It is one of the least regulated economies in the world.
D、Many of the nation's basic industries are represented by only a few major corporations.
【正确答案】：B
【题目解析】：本题考查美国经济。根据课本P230可知，美国经济主要基于自由企业制度，是世界上监管最少的经济体之一。美国的许多基础工业只有少数几家大公司。
