Correct Option: A

refuse (Verb) : to say that you will not do something; turn down
affirm (Verb) : to state firmly or publicly that something is true or that you support something strongly; confirm
negate (Verb) : to stop something from having any effect; nullify
neglect (Verb) : to fail to take care of; not to give enough attention
avoid (Verb) : to prevent something bad from happening; to keep away; to try not to do