An Accused Is Not Protected by the Double Jeopardy Clause

An accused is not protected by the double jeopardy clause from being retried for the same offense:

A) when the first trial ends in a conviction that is later set aside on appeal because of errors committed at the trial.
B) when the trial judge is forced to prematurely abort the first trial for reasons of manifest necessity.
C) when the accused requests and is granted a mistrial before a verdict is reached.
D) for any of the above reasons.