challenge: What is Rand Paul's stance on term limits for Senators?
  
  A. He is neutral on the issue of term limits for Senators and has not taken a stance
  B. He supports term limits for some Senators, but not others
  C. He supports term limits for all Senators, but will not self-impose them on himself
  D. He opposes term limits for all Senators and will not support any amendments
  Answer: 