单选题
When Steve McDougal says "It's not a financial hardship, but it is an incremental amount of money that's not required," she means that ______.
A、
(A) Green tag costs a lot of money.
B、
(B) Green tag costs an extra amount of money.
C、
(C) Green tag's is cost-effective.
D、
(D) The cost on green tags is far less than the companies pay to purchase renewable power from suppliers.
【正确答案】
B
【答案解析】
提交答案
关闭