Scientists have developed a variety of genetically modified (GM) crop plants. They may develop many new varieties in the future. Evidence MOST STRONGLY supports which of these predictions about genetic technology and the world's food supply?

A. Genetic technology will have no measurable effect on the food supply.
B. Genetic technology will increase the cost of many foods and harm their quality.
C. Genetic technology will improve the quality of many foods, but also increase their cost.
D. Genetic technology has the potential to reduce the cost of many foods and improve their quality.