Which of the following statement is NOT correct about a good delivery？

A.A good delivery is informal and resembles casual conversation.

B.A good delivery should be direct， animated， lively and expressive.

C.A good delivery combines a certain degree of formality with the best attributes of good conversation（）directness， spontaneity， animation， vocal and facial expressiveness and a lively sense of communication.

正确答案：A good delivery is informal and resembles casual conversation.