Someone who is eccentric means they have unusual or odd behavior, this then relates to the origin of the word which is egocentric meaning self centered. This then also goes on to relate to "center" because a person is "self centered" or egocentric.
High egocentrism = eccentric = self CENTERED
I would say D. because all of the others are basically answering the entirety of the speech. If you would discuss ways to increase the literacy rates in the U.S. you would need to go over it last after you explain why the U.S. is so illiterate.
In the short story Abolishing the Penny Makes Good Sense written by Alan S. Binder, the author denied the usefulness of one of the most common entity in the society and most of us hold dearly and relevant. With this view of penny, the author received several opposing feedback because of the divided view when it comes to how we view penny and its importance.