The reason Einstein left Germany to America is ____.
问题描述：
The reason Einstein left Germany to America is ____.
A because Hitler persecuted the Jews
B since Hitler persecuted the Jews
C on account of the fact that Hitler persecuted the Jews
D that Hitler persecuted the Jews
答
选D
句子主干是The reason is that + 分句
在口语中也可以说The reason is because...
但是既然这个题只有一个正确答案,A,D之间就选D
做这种题的技巧就是抓住主干,找到固定搭配,别去管句子的意思.