Correct Answer: Enthusiastic

Solution : The correct choice is the first option.

Zealous means showing great excitement towards something, and enthusiastic is the correct synonym for zealous from the given options, as it also means showing great interest or excitement towards a particular thing or objective.

The meanings of the other options are as follows:

• Detached means separated and is not synonymous with zealous .
• Apathetic means showing no excitement, which is the opposite of zealous .
• Indifferent means unconcerned or having no particular interest.