---What’s the low-carbon(碳) life style like?----Save energy produce carbon. A. more; more

问题补充：

---What’s the low-carbon(碳) life style like?

----Save energy, produce carbon.

A. more; more

B. less; more

C. less; less

D. more; less

答案：

A. more; more

B. less; more

C. less; less

(答案→)D. more; less

解析：more更多的；less更少的。句意：低碳生活方式是什么样子？——节省更多的能源，产生更少的碳素。结合语境可知选D。