In each of the following questions, there are three Problem Figures followed by a questions mark (?) for the fourth one. There exists a relationship between the first two Problem Figures. A similar relationship should exist between the third and fourth Problem Figures. Select one figure from the Answer Figures which replaces the question mark and encircle the letter of the Answer Figure selected by you.

Answer

D

Explanation

From first to second figure the number of both designs are increased by one.