Answer:
What you have seleccted (A) is correct! Great job!
WHY NICO? WHY IS IT CORRECT?
Horizontally - Indicates that the movement is from either left to right.
Positive Direction - To the right, or up; in this case, it means to the right.
4 units - Self-explanatory, but make sure you know this is done from the already given coordinate, (-1, 3)!