Its A) It gives one example to support the main idea

It's to know your purpose before you read something because a purpose can:

Why is the use of summary particularly when analyzing dramatic works?

Which is an example of perfect iambic pentameter? a. "i have been worth the whistle." b. "whose reverence even the head-lugg'd bear would lick," c. "a man, a prince, by him so benefited! " d. "ere they have done their mischief. where's they drum? " e. "marry, your manhood, mew! "