Which evidence best supports this claim?

Students would learn more efficiently if classrooms allowed more physical movement and flexible seating arrangements.

A.The government spends significantly more money on military affairs than it does on education.
B.Classrooms are places where students should be engaged in scholarly pursuits and not talking to their peers.
C.Computers have been shown to aid learning in the classroom because today’s students are so accustomed to using them.
D.Studies show that open spaces spur creativity and innovation.