When the Reading Area Is Overcrowded and Noisy, Which of the Following

When the reading area is overcrowded and noisy, which of the following structuring techniques would be most likely to promote social cooperation?

A) Repeatedly asking the children to quiet down and following with increasingly invasive consequences.
B) Asking the children to discuss the problem.
C) Increasing the space allocated to the area or placing a pictograph or sign in the area indicating the number of children who can play.
D) Adding more books.