Which one of the following statements contains a metaphor?
a. my dream vanished as a puff of smoke.
b. the mighty oak is the king of the forest world.
c. she was like a bird in a cage.
d. the water shone like a thousand diamonds.

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech