A low-carbon(低碳) lifestyle has an effect our daily life. People are paying more and more attention to energies these days.
A. in; save
B. in; saving
C. on; save
D. on; saving
网友回答
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。