Assert
Confess
Impress
Trust
Answer is Right!
Answer is Wrong!
The correct answer is A. Assert.
To assert is to state something as a fact or belief. It can also mean to claim or demand something.
The other options are not synonyms of aver.
To confess is to admit to something, especially something wrong or embarrassing.
To impress is to make a strong and lasting impression on someone.
To trust is to have confidence in someone or something.