单选题 It is only with further evolution and refinement that health plan report cards can ______ their potential and become a distinctive and useful tool.
【正确答案】 A
【答案解析】[解析] 根据句意“阐明潜能”可知，本题只有A项shed light on“照亮，阐明，把…弄 清楚”符合题意。因此本题选A。