A to-do list becomes useful when we:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. give a time line to the tasks.
Line from Passage: “To make it useful you have to define the ‘when’. When you begin creating a schedule...”
Explanation: The passage explains that a to-do list is just a raw collection of tasks unless you define when to do them. By scheduling and assigning time, the list becomes actionable and effective.
Conclusion: A to-do list becomes useful when we give a time line to the tasks.