Write the next sentence in the following story.

How to overcome lack of motivation
Return your eyes to the prize.
Over time, you may have lost sight of the reasons behind your major goals. You may be so busy or pressured that you have forgotten your personal reasons for doing your task.

Choose from:
[a]. It can help to talk to your friends about your big goal and try refocusing your attention upon that list of goals, which is more likely to keep you motivated. You might then revisit your small goal in order to see how these reasons help motivate you, and add up to a few more goals.;
[b]. However, your reasons for doing a thing are the driving force behind your motivation. Ask yourself, " why am i doing this? Is this helping me achieve my big goals and targets? Why do i want to achieve these goals and targets? " knowing these reasons can help you feel motivated.;
[c]. By refocusing on the prize you have gained, you can get back on track with your goal. Think in terms of how you will do your project.;
[d]. For example, you may have no energy for mathematics or graphic design. Or you may not find it easy to deal with stress.;. The answer should be
[b].