The Purpose of the Double Jeopardy Clause Is

The purpose of the Double Jeopardy Clause is:

A) to ensure that the government does not waste valuable resources retrying criminal defendants with little chance of success.
B) to force prosecutors to make the best case possible the first time.
C) to prevent prosecutors from picking and choosing which cases they try.
D) to ensure that the government does not make repeated efforts to retry individuals for an alleged offense after an acquittal, thereby making the individual live in a continuing state of anxiety and insecurity.