Jamal asked the research question “Should speed limits be raised on interstate highways?” Which would be the best combination of sources for him to use in his report?
A. several magazine articles, scientific studies, and news reports on different sides of the issue

B. several books, newspaper articles, and news reports on the same side of the issue

C. an encyclopedia article and a web site that did not take a position on either side of the issue

D. two web sites sponsored by supporters of different sides of the issue