Answer: Option D
Solution(By Examveda Team)Desirable :catchy, glamorous, pleasing, fetching, likable.
Advisable : to be recommended.
Beneficialresulting in good; favourable or advantageous.
Unavoidable :not able to be avoided, prevented, or ignored; inevitable.
Essential :absolutely necessary; extremely important.
Synonym of Essential is Unavoidable.
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