With no explanation, chose the best option from "A", "B", "C" or "D". until peremptory challenges are exercised. 22 . In McCrory v. Henderson, 82 F.3d 1243 (2d Cir.1996), the court observed: If ... a Batson objection may be raised after the jury has been sworn and trial has begun, there can be no remedy short of aborting the trial. This would permit the defendant to manipulate the system to the extreme prejudice of the prosecution and give the defendant a strong inducement to delay raising the objection until trial is underway. As the trial judge is unlikely for reasons of judicial economy to abort the. trial, the defendant may have the opportunity to test his fortunes with the first jury, preserving the opportunity for a mistrial and a second round in the event of a conviction. See United States v. Dobynes, 905 F.2d 1192, 1196-97 (8th Cir. [1990]) (<HOLDING>), cert. denied, 498 U.S. 877, 111 S.Ct. 206,

A: holding that a claim not raised before the trial court will not be considered for the first time on appeal
B: holding that batson challenge raised for the first time after trial was untimely in part because only remedy after trial is vacating the conviction
C: holding batson challenge untimely because objection made after all jurors were sworn
D: holding that an issue not raised in the trial court cannot be raised for the first time on appeal
B.