单选题
The underlined word "it" in the fourth paragraph refers to ________.
A、
a selling point
B、
the company name
C、
a great demand or health foods
D、
the manufacturing of green products
【正确答案】
D
【答案解析】
[解析] 根据第四段最后一句“the manufacturing of clean an safe products”可知，答案 D是正确的。
提交答案
关闭