April 23 is stated as World Book Day, an important date for literature around the world,

April 23 is stated as World Book Day, an important date for literature around the world, Shakespeare was born and died.
A. where
B. when
C. which
D. why

A. where(答案→)B. whenC. whichD. why解析：考查定语从句。这是考查间隔开的定语从句，定语从句的先行词为an important date，定语从句中缺少时间状语，故选B。有些定语从句和先行词之间有一较长的后置定语或别的句子成分，我们称之为间隔性定语从句或分裂式定语从句。如： The film brought the hours back to me when I was taken good care of in that far away village. 此句中先行词the hours被一个副词back和一个介词短语to me隔开了。

我明天再问问老师，叫他解释下这个问题