Correct Answer: attentive

Solution : The correct choice is the first option.

Explanation:
Negligent: Failing to take proper care or showing a lack of attention or concern.
Attentive (antonym): Showing care, consideration, or paying close attention to detail.

The meanings of the other options are as follows:

• Reluctant: Unwilling or hesitant to do something.
• Amplify: To increase in volume, extend, or intensify.
• Bored: Feeling uninterested or disengaged.

Therefore, the correct answer is attentive.