Which following methods are going to help you manage your nervousness for public speaking?

A.Warm up your body and your vocal before your speech.

B.Practice your speech loudly in front of your friends or a mirror before your presentation.

C.Re-frame your speech as question-answering.

D.Memorize your speech draft word by word, and try to deliver a perfect speech!

正确答案：Warm up your body and your vocal before your speech.；Practice your speech loudly in front of your friends or a mirror before your presentation.；Re-frame your speech as question-answering.