What is emphasized in the reading regarding margins and boxes in the given text?

C$)$ The text recommends creating new margins for each box, both inside and outside, to ensure proper spacing.

B$)$ It advises maintaining the same margins for all types of boxes, whether they are text or picture boxes.

A$)$ It suggests eliminating margins to achieve a clean and compact layout.

D$)$ It advocates using offset margins exclusively for text boxes and inset margins exclusively for picture boxes.