问题详情

According to the news, we can learn that

A．the genetically modified maize fortified with three vitamins has been created by American researchers.

B．no maize can produce more than one vitamin before.

C．the creators argue the crop could provide healthy diets for those seeking for weight loss.

D．all the engineers agree with this new product.

请帮忙给出正确答案和分析，谢谢！