It would be much easier to help you if you mentioned what's the name of the story. Anyway, I think I've got what you mean. I hope you will find it helpful.
Here are the answers:
1. C.) Blackie<span> was the original leader of the gang.
2. The </span>C.) staircase<span> stuck up like a jagged tooth.
3. The gang’s plans for the day were decided by </span>B.) a vote.
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Sorry if something is wrong. In my view all of them are correct.
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I would write it, "If we were teenagers at the time, these licenses would have signified our passage to adulthood." I hope that helps ^_^
In Musèe des Beaux Arts by W.H. Auden the people on the ship do nothing after seeing Icarus fall into the sea and the ship continues on its way. Why was that? Because according to the author, when a tragedy happens, human beings are not affected by it if their interests are protected and they have an horizon to pursue.