单选题 Since the two countries couldn't ______ their differences, they decided to stop their negotiations.

【正确答案】 C

【答案解析】解析：句意：由于两个国家无法调和相互之间的差异，他们决定中止谈判。reconcile意为“调和”，符合句意。A“整顿，改正”；B“迫使，责成”；D“使模糊”，均不符合句意，故排除。