Which word from the excerpt best helps the reader determine an angry tone

How does the use of theme in a speech differ from theme in a written work? o a. in a speech, the theme also gives extra details about the topic. o b. in a speech, the theme is also used as an organizational tool. onc. in a speech, the theme also to establish a sense of authority. o d. in a speech, the theme also uses evidence to support a claim.

Which big-picture idea comes logically from these details?

Iam giving 10 points and mark brains ! need asap