Which of the following demonstrates a leader's commitment to duty? A. Developing subordinates for the future. B. Stepping out of a tactical role to assume a leadership role when needed. C. Ensuring tasks are understood. D. All of the above.

Answer: All of the above

Explanation: A leader can be defined as an individual who has the ability to persuade others to work as a group for performing a particular task.

An individual can demonstrate leadership by taking strict action on others and responsibilities on himself.

The given options in the question demonstrates strict actions and responsibility taking ability. Hence, the right option is D.