It illustrates Mercédès' beauty and explains why Fernand is so in love with her.
Answer: Option A
Explanation:
This phrase has been taken from the chapter "The Catalans" in "The Count of Monte Cristo". This has been written by Alexandre Dumas, Pere. In this phrase, it has been described how beautiful Mercedes is.
She is a young girl with beautiful physical appearance and because of this Fernand can not control himself looking at her. He is sitting a little far from her and is just gazing at her and admiring her beauty.