Which of the Following Is Applicable to the Development of Headings

Multiple Choice

Which of the following is applicable to the development of headings for a report?

A) Something must divide into at least three parts or it should not be divided into subdivisions.
B) Headings at the same level must use consistent grammatical construction.
C) Headings at the same level must be consistent in font and type style.
D) B & C are correct.