Consider the following code snippet:

static void Main(string[] args)
        {
            string[] fruitsList = { "Grapes", "Apple", "Gooseberry", "Blueberry", "Apricot", "Guava", "Banana" };
            // LINQ query to be written here
            foreach (var item in fruitsResult)
            {
                Console.WriteLine(item.Key);
                foreach (String str in item)
                    Console.WriteLine(str);
                Console.WriteLine();
            }
        }

Identify the suitable LINQ query to be written inside the Main() method, so that it results in the following output?

a. var fruitsResult = from fruits in fruitsList group fruits by fruits.Substring(0, 1) into fruitGroups orderby fruitGroups.Key select fruitGroups;

b. var fruitsResult = from fruits in fruitsList group fruits by fruits.Substring(0, 1) into fruitGroups orderby fruitGroups select fruitGroups;

c. var fruitsResult = from fruits in fruitsList group fruits by fruits.Substring(0, 1) into fruitGroups select fruitGroups;

d. var fruitsResult = from fruits in fruitsList group fruits by fruits.Substring(0, 1) into fruitGroups orderby fruitGroups.Key descending select fruitGroups;

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