Correct Answer: Deny

Solution : The third option is correct.

The word accept means to agree to receive or undertake something that is offered or presented. Its opposite or antonym is deny which means to refuse to agree to something, reject a proposition, or declare that something is untrue.

The meanings of the other options are as follows:

• Agree : This means to have the same opinion or belief about something as someone else. It can mean being in harmony with or in alignment with another person's viewpoint.
• Respond : This word refers to replying to or reacting to something, which is different from accepting or denying it.
• Confirm : This means to establish the truth or correctness of something, to verify, or to make sure something is valid or accurate.