单选题 It was the responsibility of government to provide instruction so that the talented would be able to enter government service and thus perpetuate the moral and ethical foundation of society.
【正确答案】 C
【答案解析】[解析] 在给出的选项中，stabilize：稳定，使坚固；launch：开办，发射；maintain：维持，保持；reinforce：增强。根据题意，只有C选项替换画线词汇最为恰当。因此正确答案为C。