A．People in the dark brown room walked more quickly.B．People spent more time in the white room than in the dark room.C．Dark brown stimulated more but shorter activity.D．Dark brown stimulated more and longer activity.
A．People in the dark brown room walked more quickly.
B．People spent more time in the white room than in the dark room.
C．Dark brown stimulated more but shorter activity.
D．Dark brown stimulated more and longer activity.