Which of the Following Statements Is Incorrect

 Which of the following statements is incorrect? 

A)  Democratic members of Congress tend to be consistently liberal. 
B)  Republican members of Congress tend to be consistently conservative. 
C)  Democratic members of Congress tend to be more liberal than Democratic voters. 
D)  Republican members of Congress tend to be more conservative than Republican voters. 
E)  The policy preferences of Democratic and Republican voters are generally the same.