Answer:
The best explanation for how the viewpoint in the Greenberg interview differed from that in the informational text on Thurgood Marshall is option D: The Greenberg article shares research about Marshall, while the informational text is based on an interview.
1. The Greenberg article: This article provides information based on research conducted on Thurgood Marshall. It presents a viewpoint that is supported by evidence and scholarly sources.
2. The informational text: In contrast, the informational text on Thurgood Marshall is based on an interview. This means that the text gathers information directly from the words and perspectives of individuals who were interviewed about Marshall.
By comparing these two sources, we can see that the Greenberg article relies on research, while the informational text is based on an interview. This fundamental difference in the sources of information leads to a difference in viewpoint and the way information is presented in each text.