With no explanation, chose the best option from "A", "B", "C" or "D". E. g., In Re Matter of Grand Jury Applicants, C. Schmidt & Sons, Inc., 619 F.2d 1022, at 1024 (3d Cir. 1980); In re Grand Jury Investigation of Ocean Transportation, 604 F.2d 672 (D.C. Cir.), cert. denied, 444 U.S. 915, 100 S.Ct. 229, 62 L.Ed.2d 169 (1979); In re Grand Jury Proceedings (FMC Corp.), 604 F.2d 798, 800-01 (3d Cir. 1979); In Re Faltico, 561 F.2d 109, 110 n.2 (8th Cir. 1977); Velsicol Chemical Corp. v. Parsons, 561 F.2d 671, 674 (7th Cir. 1977), cert. denied, 435 U.S. 942, 98 S.Ct. 1521, 55 L.Ed.2d 538 (1978); United States v. Doe, 455 F.2d 753, 756-57 (1st Cir.), vacated on other grounds sub nom. Gravel v. United States, 408 U.S. 606, 92 S.Ct. 2614, 33 L.Ed.2d 583, rehearing denied, 409 U.S. 902, 93 S.Ct. 98, 34 L.Ed.2d 165 (1972). See United States v. Ryan, supra (<HOLDING>). But see In Re Oberkoetter, 612 F.2d 15 (1st

A: recognizing perlman rule
B: recognizing rule
C: recognizing this rule
D: recognizing general rule
A.