Nowadays, many people walk to work Copenhagen Conference calling for living a low-carbon lifestyle to cope with global warming.
A. in relation to
B. in response to
C. in addition to
D. in opposition to
网友回答
A. in relation to
(答案→)B. in response to
C. in addition to
D. in opposition to
解析：in relation to关于； in response to响应，回答； in addition to除……之外； in opposition to与……相反。句意：现在,许多人步行去上班。以响应哥本哈根会议上提出呼吁人们采用低碳生活的方式应对全球变暖。