A low-carbon(低碳) lifestyle has an effectour daily life. People are paying more and more at

问题补充：

A low-carbon(低碳) lifestyle has an effectour daily life. People are paying more and more attention toenergies these days.

A. in; save

B. in; saving

C. on; save

D. on; saving

答案：

A. in; save

B. in; saving

C. on; save

(答案→)D. on; saving

解析：句意：低碳生活方式已经影响了我们的日常生活。这些日子来，人们正投入越来越多的注意力来节约能源。短语have effect on sth对……有影响，pay attention to注意某时，to是介词，后面接名词或者动名词作宾语，故选D。