Select the figure from among the given options that can replace the question mark (?) in the following series.

Select the figure from among the given options that can replace the question mark (?) in the following series.
Option 1
Option 2
Option 3
Option 4
Solution :
Upper part of the figure, moves 1 block ahead at each step.
Lower part of the figure, moves 1 block before at each step.
Therefore, next figure is: