B

题目分析：考查固定结构。固定结构：sth remain to be done某事有待于被做。本题的it是形式主语，真正的主语是whether Jim will be healthy enough to play in the finals。句意：Jim是否能及时恢复健康参加决赛有待于被砍。故B正确。

点评：固定结构：sth remain to be done某事有待于被做。