问题如下：
In Presidential Cycle theory, the performance of the DJIA is most likely the best in
选项：
A.the year of election
B.the first year after an election
C.the third year after an election
解释：
C is correct. The third year is the year before the next election. It shows the best performance every pre-election year from 1943 to 2007.
为什么大选的前一年表现最好呢？
