The figure shows a line graph and two shaded triangles that are similar:

Which statement about the slope of the line is true?

A.) It is 1/6 throughout the line.

B.) It is 6 throughout the line.

C.) The slope from point O to point A is 1/6 times the slope of the line from point A to point B.


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