Final answer:
Fernand Mondego is the character in love with Edmond Dantes' fiancée, Mercedes, in 'The Count of Monte Cristo'. Option 1 is correct among the given optons.
Step-by-step explanation:
In the classic novel The Count of Monte Cristo by Alexandre Dumas, the character who is also in love with Edmond Dantes' fiancée, Mercedes, is Fernand Mondego. Fernand is portrayed as a rival for Mercedes' affection and plays a crucial role in the conspiracy that leads to Dantes' wrongful imprisonment.
His unrequited love and jealousy are central to his motivation for participating in the plot against Dantes.
So option 1 is correct among the given option