Answer:
B. would have read
Explanation:
Because it's asking what is he saying so I have to be B.
Go to https://prezi.com/acctakrfsrvg/themes-developed-in-the-briefcase/
C. is the right one I just found out that it was C.
The answer is most likely C.) added a prepositional phrase, because the phrase "for the history lesson" is a prepositional phrase.. and "for" is the preposition.
Answer:
I think it's the first or last option
Explanation: