Answer:
As a result, children were frequently killed or injured by mines hidden in land that hadn't seen fighting in years. Farid knows all these facts firsthand. He lost his father to the fighting when he was sixteen, then later lost two daughters as well as some fingers and toes to a landmine blast.
if u are aloud to reaserch just reasearch a little bit take notes then put it all together in your own words
I think option A is the right answer
Sentence 4 because it summarizes the paragraph but does not give an opinion like answer but used factual evidence to support it.