When he wants to make a strong point about something.
Answer:
The correct answer is C.
Explanation:
In this passage, the adjective "ingenious" provide important information about the characters' personalities and attributes.
It allows the reader to see that these men were clever and resourceful.
He promises immortality because he says that she shall live as long as the sonnet exists and as long as their love exists, and since the sonnet will exist forever just the same as their love, she will be metaphorically immortal.
I think it is A... It provides details and not just saying that his book compares two religions.
I just did the test.