Answer:
A. convey the magnitude of the plastic bag problem
Explanation:
hope this helps
It's intended to convey the magnitude of the plastic bag issue. You can already get a negative feeling when seeing this picture, so it leads you to A and eliminates D. C and B have no importance in this regard.
B. Tension, stress/compression, and shearing
They make the dialog lively and humorous. hope this is right and helps!