问题
选择题
Liu Xiang’s breaking the world record was an exciting moment, _______all of us will never forget.
A．that
B．one
C．it
D．what
答案
答案：B
考查定语从句。代词one是moment的同位语，all of us will never forget是省略了关系代词that 的定语从句；非限制性定语从句不用that引导，所以A项不对。