Correct Answer: Productive

Solution : The correct choice is the first option .

Prolific refers to being highly productive or fruitful, especially in producing creative work or offspring. Productive aligns closely with the meaning of "prolific", as it denotes being capable of producing a significant amount or achieving a lot.

The meanings of the other options are as follows:

• Lazy is opposite in meaning, it refers to being unwilling to work or use energy.
• Unproductive means not yielding desired results or lacking productivity.
• Unsuccessful signifies not achieving success or a positive outcome.