问题
选择题
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
答案
答案：C
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。