Answer:
D. points A and B
Step-by-step explanation:
Look at the picture.
[tex]average\ rate=\dfrac{rise}{run}[/tex]
[tex]A.\ B\ and\ C\to\dfrac{-3}{-1}=3\\\\B.\ D\ and\ F\to\dfrac{-12}{2}=-6\\\\C.\ C\ and\ E\to\dfrac{-8}{4}=-2\\\\D.\ A\ and\ B\to\dfrac{-5}{-1}=5[/tex]
