Much attention should be paid people’s living conditions.A. in improving B. to improveC. i

问题补充：

Much attention should be paid people’s living conditions.

A. in improving

B. to improve

C. improving

D. to improving

答案：

A. in improving

(答案→)B. to improve

C. improving

D. to improving

解析： pay attention to sth注意某事，故选B，应该更注意提高人民的居住条件。