With no explanation, chose the best option from "A", "B", "C" or "D". U.S. at 450-51, 110 S.Ct. at 2485-86; Welch, 755 S.W.2d at 627. 14 . Brown v. Texas, 443 U.S. 47, 50, 99 S.Ct. 2637, 2640, 61 L.Ed.2d 357 (1979). 15 . Id. at 50-51, 99 S.Ct. at 2640-41. 16 . Id. at 51, 99 S.Ct. at 2640. 17 . Brown at 51, 99 S.Ct. at 2640. 18 . United States v. Montoya de Hernandez, 473 U.S. 531, 538, 105 S.Ct. 3304, 3309, 87 L.Ed.2d 381 (1985). 19 . National Treasury Employees Union v. Von Raab, 489 U.S. 656, 668, 109 S.Ct. 1384, 1392, 103 L.Ed.2d 685 (1989). 20 . 590 A.2d 990, 999 (D.C.App.1991). 21 . Sitz, 496 U.S. at 453-54, 110 S.Ct. at 2487. 22 . State v. Everson, 474 N.W.2d 695 (N.D.1991) (finding that a safety inspection checkpoint, the primary purpose of which was actually drug interdiction, to be constitutional); Merrett v. Moore, 58 F.3d 1547 (11th Cir.1995) (<HOLDING>). 23 . Galberth v. United States, 590 A.2d 990,

A: holding warrant check lawful if detention not extended beyond time necessary to request license and registration and issue citation
B: holding that for purposes of determining whether the roadblock worked a fourth amendment seizure the controlling considerations are whether 1 the motorist was meant to be stopped by the physical obstacle of the roadblock and 2 the motorist was so stopped
C: holding unconstitutional a roadblock purportedly established to check for licenses and registrations which was in fact established for general law enforcement purposes
D: holding that a mixed motive roadblock used primarily to interdict drugs but also to check drivers licenses and registration was constitutional
D.