Senators are generally less likely to take directions from their leaders than house members because
A. Senators are prohibited by their state legislatures from taking orders from others
B. Senators think of themselves as being equals and are only willing to be led by persuasion
C. Senators are more highly paid than House members and are thus immune from financial threats
D. House rules mandate that all party members on major bills must vote according to the directions of their leaders
E. all of the above
Answer: B