Which of the following has NOT been posed as a metaphor for theories?

Of the four methods of delivering a speech, which method is used when the presentation will be quoted or published in its entirety, and it is essential that the speaker be understood, but also not misunderstood?

a. speaking from manuscript b. impromptu speaking c. speaking from memory d. speaking extemporaneously

While identifying potential speech topics, you can identify subjects by listing those that:

A) ?are too simple. B) ?are unaffected by the occasion. C) ?interest you. D) ?you know nothing about.