Which of the following methods is NOT suitable for reducing the amount of time a teacher has her back to the class when writing on the board?
A.
Using an over-head projector instead of a whiteboard.
B.
Turning around every now and again when writing.
C.
Writing board work whilst students are engaged with something else.
D.
Writing board work up before the lesson and covering it with paper.
E.
Giving instructions whilst writing on and facing the board.