There are $$20$$ students in a class standing in a line for recess. Mike is the $$7$$\textsuperscript{th} counting from front to back. How many students are behind Mike? What is his position counting backwards? 
选项为:A:$$12$$, $$13$$  B:$$13$$, $$14$$  C:$$13$$, $$12$$  D:$$14$$, $$13$$  请回答其中一个选项.