42. According to the passage, what is one reason critics believe supermarkets are still not doing enough to reduce food waste? (A) They require customers to purchase reusable containers before entering their stores. (B) They have refused to sign agreements to reduce plastic packaging by 2025. (C) They continue to transport fresh produce using gasoline-powered vehicles instead of electric ones. (D) They do not disclose accurate figures on food waste, making it difficult to develop effective solutions.