Students Are Especially Likely to Misbehave During Transitions from One

Students are especially likely to misbehave during transitions from one activity to another.Which one of the following high school teachers is handling a transition in a recommended fashion?

A) Mr.Anderson has his geography students come into the classroom and sit quietly until everyone is seated and ready to work.
B) Ms.Bechard asks a student to erase the chalkboard at the beginning of class.
C) Mr.Crosby's students know that as soon as they get to class, they should copy the outline and key concepts written on the chalkboard.
D) Five minutes before the end of each class period, Ms.Dumez has her students put away their notebooks and other materials and wait quietly for the bell to ring.