Which of the Following Is True of Source Acknowledgments

Which of the following is true of source acknowledgments?

A) Source acknowledgments can either be omitted or be specified as "Primary" in the case of primary research data.
B) Source acknowledgments are created for the purpose of giving the reader a brief description of the visual.
C) Source acknowledgments must always specify the who, what, where, when, and why of the "five Ws."
D) Source acknowledgments are the top-most components of a visual.
E) Source acknowledgments, by convention, are typed in title case.