Correct Option: A

disapproval (Noun) : a feeling that you don’t like an idea, an action or somebody’s behaviour because you think it is bad, not suitable or going to affect in somebody else.
ractification (Noun) : making something valid by confirming it officially/formally
disagreeable (Adjective) : not nice and enjoyable ; unpleasant; rude and unfriendly
denial (Noun) : a statement that says something is not true or does not exist
disturbing (Adjective) : making you feel anxious and upset or shocked