题目内容：
How to keep confident while making an effective company presentation?( )
A.You must be inspired by the deep belief that you can succeed.
B.To have faith in yourself and your message, explore all phases of your subject and ask yourself how your talk will help the audience to get what they want.
C.Tell yourself you can do it and that you are more qualified than any member of the audience to give this presentation.
D.Remember careful preparation provides the solid ground you need to support your self-confidence.
参考答案：