Answer: The right answer is<em> magnum opus</em>, in singular, and <em>magna opera</em>, in plural.
Explanation: Just to elaborate a little on the answer, it can be added that <em>magnum opus</em> literally means "great work," and it is an expression used to describe a literary piece, a musical composition, a painting, a film, or other example of artistic creativity and genius that stands as the best and most important achievement of its creator.
Answer:
What do you need help with? The 1st question? If so, the answer is b.
Explanation:
And I can't do the whole quiz for you, that would be cheating.
The answer is A.) J. D. Salinger. Salinger wrote the Catcher and the Rye.