Read the scenario, then answer the question.
A student is writing a research paper for her American history class. Her topic is the women Air Force service pilots of World War II. The assignment requires multiple perspectives and the use of at least one primary source.

Which of these lists is the best collection of sources?
A. a book about World War II battles, a newspaper article about men who were held as prisoners of war, a diary of an Army infantryman serving in Europe
B. a brochure from an aircraft museum, an online article about the types of planes flown in World War II, a book about women who served in World War II
C. a radio interview with a women's history professor, a diary by a woman who flew in World War II, a newspaper article about the history of woman pilots
D. a book about women's fashion during World War II, a magazine article about women of the Greatest Generation, a brochure for a training program for women pilots during the war.