English Language · English

The following sentence consists of an incomplete part that has been split into four jumbled parts labelled P, Q, R, S. Select the combination that correctly completes the sentence: The 'social brain hypothesis' posits that the exceptional size of the human neocortex is not an adaptation for ecological problem-solving _______________________________________________ suggesting that language evolved primarily as a tool for 'digital grooming' to maintain group cohesion. P. effectively limiting the maximum functional size of a human community to the number of stable relationships an individual can monitor Q. but is instead a direct consequence of the immense computational demands of living in large, complex social groups R. where the need to track shifting alliances and detect deceptive behavior necessitates a high degree of cognitive sophistication S. through a recursive process of 'mind-reading' or Theory of Mind that allows individuals to predict the intentions of others