One Drawback of Using Schools as Vehicles for Cultural Transmission

One drawback of using schools as vehicles for cultural transmission is that

A) time limitations will prevent students from studying all the important works necessary for them to understand the culture.
B) students may then not be able to recognize the merits of any other culture besides the dominant one of their society.
C) teachers cannot both prepare students to go to college and impart the benefit of the culture to the students.
D) schools have achieved limited success in cultural transmission.