In Regard to the Style You Will Use for Headings

In regard to the style you will use for headings and subheadings in the research proposal:

A) there are no special formatting requirements unless the document is a thesis or dissertation.
B) all disciplines recognize the major formal styles,so it is a matter of personal choice.
C) the writer is free to show creativity as long as s/he is consistent throughout the document.
D) disciplines often dictate the use of specific formal styles,so you must find out what the expectations are.