D is your answer it's the best one
He wants others to know what the greasers are really made up of, and basically the life of a greaser.
I don't think he would neglect his children, or allow elders to make all the decisions, I believe that he would encourage his children to play on his own. I would go with he encourages children to play on their own.
The answer is When because an adverb is a word that modifies a verb, adjective, determiner, clause, preposition, or sentence. Adverbs typically express manner, place, time, frequency, degree, level of certainty, etc.
