12. The graph below models the relationship between the time (x), in hours, Janet works and the amount of money (y), in dollars, she earns.
Janet's Earnings
y
Which statement explains how Janet knows that the number of hours
she works and the amount of money she earns are proportionally
with a proportionally

(A) The graph is in a straight line with positive slope

(B) The graph is in a straight line that passes through (0,0)

(C) The graph is in a straight line that passes through. (1,12,5)

(D) The graph is A straight line with no negative X or Y value