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निम्नलिखित में से कौन सा विकल्प इस पाठ को पूरा करता है ताकि यह मानक अंग्रेजी के व्याकरण नियमों के अनुकूल हो? After the United Kingdom began rolling out taxes equivalent to a few cents on single-use plastic grocery bags in 2011, plastic-bag consumption decreased by up to ninety ______ taxes are subject to what economists call the 'rebound effect': as the change became normalized, plastic-bag use started to creep back up.