Choose the synonym that best replaces 'abdicate' in this context: 'The emperor decided to ______ his throne'.
答案解析
核心考点：近义词辨析。
解题思路：abdicate特指放弃王位。
选项分析：C选项relinquish最准确；A/B/D均含放弃义但无君主退位特指。
易错点：混淆普通辞职(resign)与君主退位(abdicate)。
正确答案：C