A key element of his economic program is the 【promotion】 of free

A key element of his economic program is the 【promotion】 of free trade and investment.
A、encouragement
B、protection
C、excitement
D、innovation
【正确答案】：A
【题目解析】：句意：他的经济计划的关键因素是 自由贸易和投资的提升。promotion意为“提升， 促进”。选项中encouragement意为“鼓励，促进”； protection 意为“保护”；excitement 意为“兴奋”；innovation 意为“ 创新” 。故本题选 A。