87. What is the primary purpose of the passage?(A)To delineate the neurological underpinnings that differentiate innate talent from acquired skill.(B) To champion the growth mindset as a panacea for overcoming long-standing socioeconomic disparities.(C) To critically evaluate the ideological shift of the growth mindset from a research-based theory to its problematic practical applications.(D) To advocate for a standardized pedagogical model that prioritizes student effort over academic benchmarks.