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:
<em>The singer’s high notes stabbed my ears like jagged knives. This sentence is an example of </em><em>b.) connotation. </em>
Explanation:
Words usually carry cultural and emotional associations -connotation- and literal meaning -denotation. Connotation is a literary device that refers to a meaning implied by the phrase, apart from the idea explicitly described. Connotation may be positive or negative. In this example, the connotation in <em>stabbed my ears like jagged knives</em> is clearly negative