Which of the Following Best Exemplifies an Appropriate Use of a Bulletin

Which of the following best exemplifies an appropriate use of a bulletin board to convey information to families?

A) Ms. Xu displayed the children's leaf rubbings and shared photos of the leaf-gathering walk.
B) Mr. O'Hara hung individual letters to each family sharing information about their child's progress.
C) Mr. Linden posed a notice toward the end of the day that the school would open late tomorrow.
D) Ms. Voss put up scholarly articles about early childhood education and child development.