A Judge Reports That a Jury Was "Hung

A judge reports that a jury was "hung". What does the judge mean?

A) That the jury wanted to hang the defendant by imposing a heavy sentence.
B) That the jury wanted to hang the prosecutor for unjustly charging the defendant.
C) That the jury could not reach a decision.
D) That the jury had waited an excessive amount of time before reaching a verdict.
E) That the jury had waited an excessive amount of time before retiring for the evening.