From the words lettered A to E, choose the word that best completes the sentence.
Despite all our pleas, the manager remained…. in his refusal of our request.
The correct answer is: C
Explanation
The word "adamant" means to be unyielding or firm in one's position or refusal. In the context of the sentence, the manager is described as "remaining adamant," indicating that despite all the pleas made, the manager is unwavering and persistent in refusing the request. This term conveys a sense of resoluteness and determination to stick to a decision despite attempts to persuade or change it.