89. Why does the author mention "socioeconomic disparities" in the passage?(A)To provide empirical evidence that students from affluent backgrounds are more predisposed to a growth mindset.(B) To caution against a narrative that may inadvertently pathologize students for their lack of progress while ignoring structural inequities.(C) To suggest that the growth mindset is a luxury only attainable in resource-rich educational environments.(D) To emphasize the need for government-subsidized psychological interventions in underprivileged communities.