Answer:
I believe the answer is D
Answer:
i think its d. sentence 4
C is the answer , breathing problems and air pollution relate
It is an example of a idiom.
hope it helps!
In World War 2, you could help to hide Jews in a sort of sewer. The Government keeps tracks of most Jews, yet you could attempt to hide people, or at least give water, food, or a safe place. It may bring yourself to death back then, yet it would have a possibility to save at least some Jews.
