With no explanation, chose the best option from "A", "B", "C" or "D". and parents of their children, filed this suit against several TDHS officials, the informant, several City of Amarillo officials, the Amarillo Police Department, and the Amarillo Hospital District. They asserted claims under 42 U.S.C. § 1983 and related statutes for interference with family integrity in violation of the fourteenth amendment. All defendants filed motions to dismiss based on a stipulated statement of facts. The motion of appellants Ray and Burns, the TDHS workers, asserted the defenses of absolute and qualified immunity. The district court in a written order granted the other defendants’ motions, but denied the motion of Ray and Burns. Ray and Burns immediately brought this appeal pursuant to Mitchell v. Forsyth, 472 U.S. 511, 105 S.Ct. 2806, 2817, 86 L.Ed.2d 411 (1985) (<HOLDING>). The district court has stayed proceedings

A: holding that a district courts denial of a claim of qualified immunity is an appealable final decision within the meaning of 28 usc  1291 to the extent that it turns on an issue of law
B: holding that a district courts denial of a claim of qualified immunity to the extent that it turns on an issue of law is an appealable final decision within the meaning of 28 usc  1291 notwithstanding the absence of a final judgment
C: holding that a denial of a claim of qualified immunity is an appealable final decision
D: holding such denial to be an immediately appealable collateral final order
C.