Hey there!:D
Answer: D
Explanation:
For D as we can see we have Quadrant 1 and 2 as we know Quadrant 1 is horizontally positive and Quadrant 2 horizontally is negative so in this option the blue marker is marking both of these parts.
Reasonable right! :D
Final answer: (D)
Hoping that this helps you if you got any more questions don't forget to ask me i'll be there!! :D