Answer:
tht it signifies who the main character is and u can tell what the story is about...more or less
Explanation: (I honestly thought u were talking abt Avengers but oh well)
I belive the correct answer is A.
An appropriate summary for the article "A Most Troublesome Element" is the last option - C. Arsenic is a naturally occurring, poisonous element that has threatened the health of humans since the Middle Ages.
It clearly states what the whole article is about.
The black plague devistated families. it caused so much death, and also poverty.
