In 2009 many countries are going through financial crisis. has a great effect on
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In 2009 many countries are going through financial crisis，________has a great effect on many walks of life.
A.it
B.which
C.that
D.what
试题答案
B
考查定语从句。which引导非限制性定语从句，指代前面整个一句话。that不能引导非限制性定语从句。