In each of the following questions, a sentence is given with two blanks, indicating that something has been omitted. Choose the pair of words from the given options that best fits the context of the sentence as a whole, making it grammatically correct and contextually meaningful. If none of the given pairs fit the sentence, select 'None of the above' as your answer. Although the government’s ambitious urban renewal project was ostensibly designed to revitalize the decaying district, community advocates warned that the aggressive gentrification would inevitably ________ the neighbourhood’s rich cultural heritage, replacing its vibrant street life with a sterile, ________ commercial zone.