45. Which of the following sentences would serve as the best concluding sentence for the passage? (A) Therefore, consumers should avoid shopping at large supermarkets and purchase food exclusively from local retailers. (B) As a result, governments should immediately impose stricter regulations on all supermarket chains to eliminate food and plastic waste. (C) Although meaningful progress has been made, lasting environmental improvement will require greater transparency and broader adoption of sustainable practices. (D) Consequently, environmental problems caused by supermarkets are expected to disappear once current recycling targets are achieved.