The pattern followed here is as follows:In every step, a line is added to the pentagon in the anticlockwise direction.In every step, two dots are removed from each side of the pentagon.From the left side, a dot is removed from the top and from the right side a dot is removed from the bottom at the same time.So, the image which has a pentagon with 5 lines parallel to each side without any dot would be the correct answer.The image which will come next in the series is: