24. Roger: I'm struggling with this profit line graph for the first half of the year. Why did the profits drop in March?
Rina: Well, do you remember we bought a new machine that month, about two million dollars' worth? We stopped production for a few days to replace the old machine.
Roger: You made a good point! Does that mean the investment worked?
Rina: Exactly! As you can see, the new machine increased our profits for the three consecutive months, all the way up from April to June. Our strategy really paid off.

(A)The production has slowed down.

(B)The graph you used had an error in it.

(C)The profits peaked a few months later.

(D)The line has continued to drop gradually.