The word that most adequately elucidates the word 'detrimental' in the given description would be:
A). Harmful
- The word 'detrimental' literally denotes 'something that has the ability to cause harm or damage to someone of something.'
- In the given sentence, the antonym of 'detrimental' is given i.e. 'helpful' implying 'something that can be useful or furnishes aid to someone.'
- The correct antonym of 'helpful' in the given description would be 'harmful' which is a synonym of 'detrimental.'
Thus, option A is the correct answer.
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