单选题 They believed that the merchants had conspired to undermine the nation's economic independence.
A. uphold B. minimize C. weaken D. postpone

【正确答案】 C
【答案解析】[解析] uphold意为“支撑,赞成”,minimize意为“使最小化”,weaken意为“削弱, 减弱”,postpone意为“延期,推迟”。undeixnine的宾语是“the nation's economic independence”, 即国家的经济独立性。由此可见,只有选项C能与其构成合理的搭配,即削弱国家的经济独 立性。因而可推断,undermine在此和weaken同义。故正确答案为C。