As he see’s the sparkle of light the answer would be
C. (Sight)
Answer: The Author gives a Rebuttal with Support,
I took the test and got it right
Explanation:
Sorry for late response and have a wonderful rest of your day :)
Chances are that NASA's own website would be the best. That's about as primary of a source as you would find, and would also be more up-to-date than A would be.