Those who have made significant contributions to the company are ____ to the rewards that are commensurate with their efforts.A. deservedB. empoweredC. entitledD. promoted

本题考查动词短语的固定搭配和语境理解。关键点在于理解“be entitled to”这一固定结构，表示“有权利获得”，而其他选项在搭配或语境中均不符合。

句子意为“对公司有重大贡献的人有权获得与他们付出相称的奖励”。

1. 选项A：deserved
   “Deserved”意为“应得的”，但通常用法是“deserve + 名词”（如“deserve rewards”）或“be deserved of + 名词”（如“are deserved of rewards”）。“be deserved to”是错误搭配。

2. 选项B：empowered
   “Empowered”意为“被赋予权力”，与“奖励”无关，语境不符。

3. 选项C：entitled
   “Be entitled to”是固定搭配，表示“有权利获得”，符合句意。例如：“Employees are entitled to paid leave.”（员工有权享受带薪休假。）

4. 选项D：promoted
   “Promoted”意为“晋升”，通常指职位提升，与“奖励”关联性较弱。

综上，C选项“entitled”最符合句意和搭配规则。