<em>A might seem likely, but is actually incorrect because it does not show enough evidence to be anything more than a statement. It would more likely be a stereotype if the sentence was "All boys" or just "Boys" instead of "the boys", which refers to a specific group of boys.</em>
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<em>B represents a family making boys do an activity. The answer as to why is not certain, but is likely because that is a "boys" thing to do.</em>
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<em>C simply talks about a specific person, with no implication that their is stereotype involved.</em>
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<em>D simply talks about the family success, with no stereotypical aspect involved.</em>
The perspective of speaker discussed here is racism. The injustice done to the whites is described in the excerpt. It makes the speaker angry because of this discrimination due to color of the skin.