单选题
Tennis star Chris Evert, who retired from the game after eighteen years, perhaps ______ more than anyone to make women's professional tennis a widely respected career.
【正确答案】
B
【答案解析】句意：在网坛服役18年后退役的网球明星Chris Evert在使女子职业网球成为一项广受尊敬的事业方面所做的贡献无人能及。句中“who retired from the game after eighteen years”是定语从句，起修饰作用，后面所填部分应该是句子谓语，选项B正确。