Answer:
C. have been walking
Explanation:
A is talking in past tense and B also has a past tense vibe.
Well, this may be a vague explanation, but, dropping out of school makes it look like you hate school so much you drop out... and then peoples' opinions come in, and they label the dropouts as "punks" or even, sometimes, "delinquents".
Answer:
itself, myself and, themselves
Explanation:
hope this helps :)