Which of the following statements is true of an appendix of a report?

A) It contains supplementary information that supports the report but is not appropriate for inclusion in the report itself.
B) It provides a preview of how the topic is divided into parts and the order in which the parts will be presented.
C) A report cannot contain more than one appendix.
D) Placing supplementary material in an appendix makes the report body excessively long.

An appendix of a report contains supplementary information that supports the report but is not appropriate for inclusion in the report itself. It may include tables, graphs, charts, and other supporting data that is important but not essential to the main argument of the report. A report can contain more than one appendix, and placing supplementary material in an appendix is a common way to keep the report body concise and focused on the main argument.