[单项选择] Genetically Modified Foods -- Feed the World
If you want to spark a heated debate at a dinner party, bring up the topic about genetically modified foods. For many people, the concept of genetically altered, high-tech crop production raises all kinds of environmental, health, safety and ethical questions. Particularly in countries with long agrarian traditions -- and vocal green lobbies -- the idea seems against nature.
In fact, genetically modified foods are already yew much a part of our lives. A third of the corn and more than half the soybeans and cotton grown in the US last year were the product of biotechnology, according to the Department of Agriculture. More than 65 million acres of genetically modified crops will be planted in the US this year. The genetic is out of the bottle.
Yet there are clearly some very real issues that, need to be resolved, lake any new product entering the food chain, genetically modified foods
A. Because they have a rich range of foods.
B. Because the supply outstrips the need.
C. Because they have to feed fast-growing populations.
D. Because the risks outweigh the benefits.