I don’t know what I am supposed to help you with. But if you ask me in the comment section below I’m sure I can help.
Go with a. I'm pretty sure it's already correct.
Try and remember it this way. Cause and effect. Effect is the result of something, while affect is like it influenced something.
Answer:
see below
Explanation:
Alexandre Dumas is a celebrated French author best known for his historical adventure novels, including 'The Three Musketeers' and 'The Count of Monte Cristo. He lived in Villers-Cotterêts, France in 1802. The Château d'If is a fortress (later a prison) located on the island of If, the smallest island in the Frioul archipelago situated in the Mediterranean Sea