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

Which statement about the slope of the line is true?

A) The slope from point O to point A is fraction 1 over 4 time the slope of the line from point A to point B.

B) The slope from point O to point A is four times the slope of the line from point A to point B

C) It is 4 throughout the line.

D)It is fraction 1 over 4 throughout the line.