With the situation worsening between China and Japan the world’s attention is fixed again

问题补充：

With the situation worsening between China and Japan, the world’s attention is fixed again on is called the East Asia.

A. which

B. what

C. that

D. it

答案：

A. which

(答案→)B. what

C. that

D. it

解析：介词on后接一个宾语从句，从句缺主语，使用连接代词，排除CD 。which表示有范围的选择，what指笼统概念，无范围。故选B。句意：随着中日两国关系的恶化，全世界的注意力都集中到所谓的东亚问题。