What does the elastic clause say?

What does the elastic clause say?
 
  A) Congress shall have the authority to make all laws necessary and proper to executing its delegated powers.
   B) The president shall have the authority to make all laws necessary and proper to executing his delegated powers.
   C) The Supreme Court shall have the authority to interpret the Constitution in ways deemed necessary and proper.
   D) The states must execute all federal laws which are necessary and proper for the functioning of the United States.
   E) all of the above

Question -2-

All of these could produce polling errors EXCEPT
 
  A) polling too many people.
   B) excluding people with certain attitudes.
   C) polling too few people.
   D) selecting a focus group.
   E) conducting an online survey.

Question -3-

Surprising as it may seem, a poll of as few as ________ people can provide an accurate picture of national public opinion.
 
  A) 500 B) 100 C) 1500 D) 2000 E) 10,000

Question -4-

Opponents of term limits argue that they ________.
 
  A. force politicians to live under the laws they make
  B. force politicians to return home
  C. increase competition in the electoral system
  D. infringe on the voters' freedom of choice