问题
选择题
As time went on, new customs went into Christmas，and was the Christmas tree，which was started in Germany．
A．it
B．this
C．that
D．one
答案
答案：D
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As time went on, new customs went into Christmas，and was the Christmas tree，which was started in Germany．
A．it
B．this
C．that
D．one
答案：D