With no explanation, chose the best option from "A", "B", "C" or "D". 504 N.W.2d 838, 841 (N.D. 1993). [¶ 6] Objections to jury instructions in criminal proceedings are governed by N.D.R.Crim.P. 30. A party must object to an instruction, or the failure to give an instruction, on the record. N.D.R.Crim.P. 30; State v. Jennewein, 2015 ND 192, ¶ 9, 867 N.W.2d 665; State v. Johnson, 2009 ND 76, ¶ 10, 764 N.W.2d 696; State v. Olander, 1998 ND 50, ¶ 9, 575 N.W.2d 658. Mayland not only failed to object to the jury instructions excluding a jury determination on whether Mayland had previous convictions under N.D.C.C. § 39-08-01, he requested and stipulated to the exclusion. In light of the stipulation, it would have been reversible error to provide an instruction requiring a jury determination on prior convictions. State v. Saul, 434 N.W.2d 572, 575 (N.D. 1989) (<HOLDING>). Therefore, Mayland failed to preserve the

A: holding that defendant could stipulate to prior dwi convictions
B: holding that when a defendant stipulates to prior convictions in prosecutions for aggravated offenses under ndcc  390801 submission of prior convictions to a jury constitutes reversible error
C: holding that when a defendant admits prior convictions at a habitual offender hearing he waives any complaints about the validity of the prior convictions
D: holding that application of career offender enhancement falls within exception for prior convictions where facts are undisputed making it unnecessary for district court to engage in further fact finding about prior convictions
B.