Max COUNT among Vovels

string vovels = "aeiou";

            string quest = "eeaaaaiiiieeeeuuuuuuu";

            Dictionary<char, int> keyValuePairs = new Dictionary<char, int>();

            foreach (char c in vovels)

            {

                int count = 0;

                foreach (char q in quest)

                {

                    if (c == q)

                    {

                        count++;

                        if (keyValuePairs.ContainsKey(c))

                        {

                            keyValuePairs[c]++;

                        }

                        else

                        {

                            keyValuePairs.Add(c, count);

                        }

                    }

                }

            }

            int max = 0;

            char ch = 'a';

            foreach (char c in vovels)

            {

                int tmp = 0;

                foreach (var dict in keyValuePairs)

                {

                    if (dict.Key == c)

                    {

                        tmp++;

                    }

                }

                if (tmp > max)

                {

                    ch = c;

                }

            }

            Console.WriteLine(ch);