44. What can be inferred from the passage? (A) Small environmentally friendly grocers will eventually replace major supermarket chains throughout the UK. (B) Consumer pressure is likely to remain an important force in encouraging supermarkets to adopt more sustainable business practices. (C) Once supermarkets fulfill their plastic reduction pledges, concerns about food waste will largely disappear. (D) The primary obstacle to environmental sustainability is consumers' unwillingness to change their shopping habits.