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To be a good teacher, you need some of the gifts of a good actor: you must be able to hold
A good teacher works in quite a different way. His audience takes an active part in his play: they ask and answer questions, they obey orders, and if they don't understand some thing, they say no. The teacher therefore has to suit his act to the needs of his audience, which is his class, he can not learn his part by heart, but must invent it as he goes along.
What is the passage about?
A.How to become an ordinary teacher.
B.What a good teacher should do.
C.What teachers and actors could learn from each other.
D.The similarities and differences between a teacher's work and an actor's.