Which of the following is an explanatory thesis? A. Crops that are grown using organic farming methods are more environmentally sustainable than those grown conventionally.

B. Conventional farming methods are more important than organic methods because they are necessary for maximizing the potential yield of crops, which is important for the world's food supply.

C. While organically farmed foods are typically more expensive, they are more nutritious and tastier than conventional foods.

D. Both conventional and organic farming methods play a valuable role in finding a sustainable and cost-effective way to feed the world’s population.