I recently had this lesson and quiz, even though you didn't provide the answers, i'll answer it with the answer that I found was correct.
A) It was a breakthrough in his research.
Hope this helps!~
I'm afraid this question cannot be answered without us being able to view the excerpt mentioned in the question.
Answer:
Once upon a time, in a far away swamp, there lived an ogre named Shrek (Mike Myers) whose precious solitude is suddenly shattered by an invasion of annoying fairy tale characters. They were all banished from their kingdom by the evil Lord Farquaad (John Lithgow). Determined to save their home -- not to mention his -- Shrek cuts a deal with Farquaad and sets out to rescue Princess Fiona (Cameron Diaz) to be Farquaad's bride. Rescuing the Princess may be small compared to her deep, dark secret.
Explanation:
