The answer is C, because it informs that since people are sharing information very quickly through the internet, it is <em>also bringing young people closer</em><em> </em><em>together than ever before</em>. In A we read that they are bringing people closer together, but the teenagers are <em>only included</em>. In B it is just mentioned that the tenagers are <em>generally brought together</em>.
The spelling is all correct here! Maybe autocorrect changed it to the right answer! If you comment the sentences again without autocorrect, I can help!
The rising action is when he acadently killed the stranger
Story/books/novel/etc. parts