It would be D because not everyone would think that the blue jay is a beautiful bird.
Answer:
if a and b are your only choices, your answer is a.
Explanation:
the second choice doesnt say much, or give you a lead to find out the writer's purpose. it merely just states that someone had a key. the first choice includes the word mystery, and a further explanation of thought. That gives you a lead.
You did not provide an article, but i can guess that it talks about positivism or futurism. Positivism was all about finding objectivity in art and making it exact, similar to math, while modernism viewed scientific progress as something towards what we should strive.