You will be given a definition of a task first, then some input of the task.
In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".

[header] How to cook grouper [title] Prepare the grouper fillets by either marinating for 1 to 2 hours before cooking or coating the fish in your favorite seasonings. [title] Grill the grouper fillets on a grill. [substeps] Preheat the grill to medium heat and coat it with oil or nonstick cooking spray so the fish does not stick. <sep> (A) Place one fillet on the griddle and place a third on the other side of the grill. Arrange the fish loosely on each side of the grill while coating each side. (B) Grill the grouper fillets for approximately 5 minutes per side or until they flake with a fork. [title] Fry the grouper fillets on the oven. (C) Lay a vegetable rack against the side of the grill near a side wall, away from direct heat. Grill for about 4 to 6 minutes at a time. (D) [title] Toss the grouper fillets with the olive oil. [step] Place the salmon fillets on a plate and sprinkle with salt and pepper.
Output:
B