Which pair of points forms a vertical line segment that is 4 units long?

A. (–3, 5) and (–7, 5)
B. (3, –8) and (3, –4)
C. (2, 1) and (2, 3)****
D. (2, 4) and (–2, 4)

C. (2, 1) and (2, 3)

The pair of points that forms a vertical line segment that is 4 units long is option C, (2, 1) and (2, 3).