The global financial crisis, started in the USA in 2008, affects almost every country, especially some developed countries.
A. what
B. it
C. which
D. that
网友回答
A. what
B. it
(答案→)C. which
D. that
解析： 考查非限制性定语从句，which指前面的先行词The global financial crisis，句意：发生在2008年美国的金融危机，影响了几乎每一个国家，尤其是一些发达国家。所以选C。