Citing passages from a text is one way to provide elaboration in an essay.
The reason why this would be your answer is because when you cite your source, it allows to person to go to the source to see more information about the quote you got, and not leave them empty handed. If you didn't cite you source, it would be considered plagiarism, and wouldn't allow the reader to get to know more about the quote and what happens.
what film and short story are you talking about
A leader is someone who is ambitious of their dreams, and determined to get the job done.<span />
The correct option is E. The statement in option E implies that Ivan Llyich has isolated himself from his family and friends and he lives all alone in his thoughts and mind. He believed that none of his family understand him and that they did not sympathize with his condition. The statement is a statement of a lonely man.