单选题 Sheer energy and determination have propelled some of the smallest and most fragile economies on the European continent into accelerated growth and the______of democratic rights in order that they might participate as equals in the largest free grouping of nations in the world.
【正确答案】 B
【答案解析】解析：句意：单靠干劲儿和决心就已经使得欧洲大陆一些经济最为脆弱的小国加速了经济增长，固守民主权利，以确保其能平等参与这个全球最大的国家自由联合体中的事务。A：保险。B：运用其他法律保障(法律赋予的权利，尤指宪法赋予的权力)。C：保护。D：承诺。