After the Jury Has Been Selected in a Case and the Trial

Multiple Choice

After the jury has been selected in a case and the trial has proceeded for several days,one of the jurors becomes seriously ill and has to be removed.No alternate jurors have been selected.What happens?

A) The trial must stop and a mistrial is declared.
B) The trial can continue after a replacement juror has been chosen from the community.
C) The trial must stop because the sick juror might talk about the case.
D) The trial can continue with only eleven jurors.