pls answer ASAP
Jamal is making a graph to relate the number of hours he studied to the number of points he scores on his math tests. The relationship is proportional. What should a graph of this information look like?


A.) a line that is straight up and down


B.) a line curves upward but then curves back down


C.) a straight line that passes through the point (0, 0)


D.) a line that starts at the point (0, 0) and then curves upward