Answer:I think it would be A
Explanation:
Read and see if it makes sense
Service benefits the helpers and those helped.
B. they help readers understand time has passed
You could use the cardboard box as a model child labor factory, while using the markers and paper to draw children. You can cut them out and place them in the factory like pop-ups. Then you can add some captions explaining what you need to. Just make sure the cardboard factory and children portray the negatives. I hope this helps.
