In which situation would changing a daily plan not be considered indiscipline?

Correct answer: When priorities are thoughtfully revised after an urgent task arises

A plan is a guide, not an unchangeable rule. If an urgent and genuine responsibility appears, a self-managing person reviews priorities, shifts less urgent work, and records the revised plan. This is purposeful flexibility. Choosing entertainment without reason, always avoiding difficulty, or changing goals constantly shows avoidance or instability, so B is correct.