One thing i could share to help improve and have an effective study skills is to write down what you need to do. In this way it helps your brain to understand that what you wrote is the goal for the day. It will remind you not to procrastinate because it will remind you of what is needed to be done. It is fairly important to have an efficient study skills so that we can adapt and learn knowledge sufficiently.
The phrase in the excerpt from a 1964 interview with Malcolm X indicates that he is explicitly stating an opinion is this "<span>{I don't think that it} serves any purpose for the {leaders of our people} to waste their time fighting each other needlessly."</span>
D is the answer since the paragraphs give a before and after type beat