Which of the Following Is an Accurate Comparison of Today's

 Which of the following is an accurate comparison of today's voters to their late 19th century counterparts? 

A)  Voters are just as attached to political parties today as they were in the late 19th century. 
B)  Voters are more attached to political parties today than they were in the late 19th century. 
C)  Voters are less attached to political parties today than they were in the late 19th century. 
D)  Due to scant historical data, it is impossible to tell whether voters today are more or less attached to political parties than they were in the late 19th century. 
E)  It is currently unknown whether voters today are more or less attached to political parties than they were in the late 19th century, but improved statistical methods may soon put that knowledge within reach.