问题详情

The author quotes the example of Straus in Para. 4 to show

A．the whole process of applying for the non-GMO certification.

B．the great efforts for getting the certified non-GMO certification.

C．the efforts Straus making to earn the non-GMO label.

D．the great efforts Straus making to get certified organic.

请帮忙给出正确答案和分析，谢谢！