Which of These Statements Regarding the Use of Photos in the Body

Which of these statements regarding the use of photos in the body of a marketing plan is most accurate?

A) Photos should always appear in black and white or they lose their effectiveness.
B) Photos should always appear in color, regardless of the additional cost, since the overall effect is more professional than simply black-and-white images.
C) Photos should include a brief caption that ties them to the text and highlights the reason for being included.
D) If a photo is important enough to be included in the body of a marketing plan, it should require no further information.
E) Photos should never take up more than one-eighth of the page if they are used in the body of a marketing plan rather than in an appendix.