More and more high-rise buildings have been built in big cities space.A. in search of B.

问题补充：

More and more high-rise buildings have been built in big cities space.

A. in search of B. in place of C for lack of D. in memory of

答案：

解析：考查介词短语：A. in search of为了寻找B. in place of 代替C for lack of缺乏D. in memory of为了纪念，句意：因为缺少空间越来越多的高楼在大城市被建成。选C。