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!~
Macbeth is a tragedy written by William Shakespeare it dramatizes the damaging physical and psychological effect of political ambition on those who seek power for its own sake. Your question the theme from the Macbeth would be letter B. Ambition unchecked can lead to corruption. I hope this will help
