A principal is planning a presentation to the school's parent-teacher organization. The principal wants to use this opportunity to encourage members' commitment to and participation in helping achieve school improvement goals. The principal can best promote this outcome by emphasizing in the presentation

A. the strong desire of school staff to have every child achieve at a high level.
B. accountability as it relates to family responsibilities for student achievement
C. the important role of the parent-teacher organization in the life of the school
D. family support that has been shown to positively influence children's learning