Select the figure that will come in place of the question mark (?) in the following figure series.

The pattern followed here is: The number of sides in the shape inside the figure are increasing order i.e. in the 1st figure there is a triangle, in the 2nd figure there is a Rectangle, in the 3rd figure there will be a Pentagon and so on till the last figure. The letter inside the 2nd figure is the 3rd preceding letter of letter inside the 1st figure. The letter inside the 3rd figure is the 4 th preceding letter of the letter inside the 2nd figure. The letter inside the 4 th figure is the 5 th preceding letter of the letter inside the 3rd figure. Thus, the letter inside the 5 th figure is the 6 th preceding letter of the letter inside the 4 th figure, as per the English alphabetical series.