问题
As indicated in this passage， with so many good claims， the consumers__ 查看材料
A:are becoming more cautious about the products they are going to buy
B:are still not willing to pay more for products with green labeling
C:are becoming more aware of the effects different products have on the environment
D:still do not know the exact impact of different products on the environment
B:are still not willing to pay more for products with green labeling
C:are becoming more aware of the effects different products have on the environment
D:still do not know the exact impact of different products on the environment
正确答案是：
