Generally speaking, green products refer to all goods that are environmentally .
A. suitable
B. relevant
C. friendly
D. available
网友回答
A. suitable
B. relevant
(答案→)C. friendly
D. available
解析:考查形容词辨析。A合适;B有关的;C友好的;D存在的,有空的,可以利用的;environmentally friendly环保的;句意:一般说来,绿色产品就是指所有的那些对环境友好的货物。根据句意说明C正确,