What were the two environment campaigners claims against McDonalds？A．The food carries heal

What were the two environment campaigners claims against McDonalds？

A．The food carries health risks.

B．McDonald"s workers suffer poor pay and conditions.

C．Eating the company"s hamburgers can cause heart disease.

D．All of the above.

请帮忙给出正确答案和分析，谢谢！