When your message is complex and includes a large amount of information, _______ A

When your message is complex and includes a large amount of information, _______

A.  audiences will not expect you to have only one main idea.

B.  a variety of techniques (such as brainstorming) can help determine your main idea.

C.  effective communicators realize that trying to find a single main idea is a waste of time.

D.  it is best to allow the audience to figure out the main idea on their own.

E.  it is not necessary to determine a single main idea, as long as you are clear about the topic.