The answer to this is work which means that D is the answer to this question. You will know that there is work because there is a displacement that has occurred. Usually, when there is a movement towards a certain direction because of something that an object has done, this would be related to work. Just remember that there should be an external force that will cause an object to move.
For example, when a person pushes a box going east, and the box moves towards the east, this is a sign that work has occurred. Force refers to the effort that is placed on the box so that it will move. Time refers to the period of rest and the period that the box has moved. Energy may come in two forms potential or kinetic.