The average of John and Leo's ages is Kelly's age. The average of Kelly and Mila's ages is Leo's age. Of the four children, John is the youngest and Mila the oldest. The average of John and Mila's ages is 11.  What is the total of the ages of Kelly and Leo? 
选项为:A:$$14$$  B:$$16$$  C:$$18$$  D:$$20$$  E:$$22$$  请回答其中一个选项.