Answer:
D) Punishment
Explanation:
The noun <em>scourge </em>refers to something or someone that causes great trouble or suffering, or the use of a whip as an instrument for physical punishment. Some synonyms of scourge are <em>torment, affliction </em>and <em>punishment.</em> As a result, Mandela means that children should run freely and not be menaced, confronted or taken advantage of.
D doesnt fix the sentence because the period in this case breaks the sentence apart but into an incomplete and complete sentence.
"Sometimes he lets us play them." isnt a complete sentence which is a period isnt the way to make this run on sentence better.