39. According to the passage, the erosion of “third places” within the urban fabric precipitates which of the following sociopolitical shifts? (A) An escalation in psychological burnout characterized by the loss of clear demarcations between domestic and professional spheres. (B) A progressive deflation in the operational costs of metropolitan infrastructure through the centralization of commerce. (C) The involuntary migration of marginalized populations toward standardized “non-places” as a primary mode of social survival. (D) The atrophy of civic engagement and the fragmentation of heterogeneous social networks across different socioeconomic strata.