In China the number of cities is increasing development is recognized across the world. A

问题补充：

In China, the number of cities is increasing development is recognized across the world.

A. which

B. whose

C. where

D. that

答案：

A. which

(答案→)B. whose

C. where

D. that

解析：句意：在中国，许多城市的发展为世界所公认，这样的城市的数目正在增加。通过分析句子结构，可知这个句子中包含一个分隔式定语从句，且关系词在从句中作定语，故用关系代词whose，选B。