Correct Answer:

Solution : Here, 1 additional line is being added to the subsequent figures of the series.
In the first figure, there are 2 lines, in the second figure there are 3 lines, in the third figure there are 4 lines, So now, in the next figure there should be 1 additional line which will be 5 (4 + 1).

So, the next figure will be –

Hence, the second option is correct.