Final answer:
The detail develops the author's central idea by motivating readers to work against procrastination.
Step-by-step explanation:
The correct answer is B) By motivating readers to work against procrastination.
This detail helps develop the author's central idea by showing that the author wants to encourage readers to take action and overcome procrastination. By motivating readers to work against procrastination, the author is emphasizing the negative consequences of procrastination and the importance of taking proactive steps to overcome it.
For example, the author might provide examples of successful people who have achieved their goals by avoiding procrastination and taking immediate action. The author might also share strategies or tips for combating procrastination and staying motivated. All of these elements work together to develop the author's central idea of motivating readers to work against procrastination.