ASSERT
Option C
Assert (زور دینا) means to state a fact or belief confidently and forcefully. Agree (اتفاق کرنا) means have the same opinion about something; concur. Acquiesce (مان لینا) means accept something reluctantly but without protest. Abjure (انکار کرنا) means solemnly renounce (a belief, cause, or claim). Abdicate (دستبردار) means to renounce one's throne.