Answer:
D). Change Contestants to 'Applicants.'
Step-by-step explanation:
The word-choice plays a crucial role in providing the desired tone to the work. In the given sentence, replacing the word 'contestants' with 'applicants' would help in offering a more formal tone to it. The word 'applicants' connote that 'one who applies for something' gives a precise and professional form to the language/message. It helps in serving the author's purpose of communicating the message to the educated audience effectively. Thus, option D is the correct answer.