Your supervisor has asked you to build the raised platform for the food court. the base needs to be made of pairs of parallel lines. select the parallel lines from the choices below.

The options in the attached images.
 Remember that parallel lines are those lines that have equal slopes.
 That is, the angle with respect to the horizontal axis is equal.
 We observe that we have two pairs of parallel lines.
 A vertical pair
 A horizontal pair
  
 A vertical pair
 A horizontal pair
 See attached images.