PLEASE HELP!!!

The figure below shows a line graph and two shaded triangles that are similar:
Which statement about the slope of the line is true?

A. It is −2 throughout the line.

B. It is -1/2 throughout the line.

C. The slope from point O to point A is fraction 1 over 2 times the slope of the line from point A to point B.

D. The slope from point O to point A is two times the slope of the line from point A to point B.

PLEASE HELP The figure below shows a line graph and two shaded triangles that are similar Which statement about the slope of the line is true A It is 2 througho class=