Read the following excerpt from a US court opinion:
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him, claiming his termination was without just cause, i.e., in violation of the collective bargaining agreement. Under the Railway Labor Act ("RLA”), American’s decision to terminate Perry qualifies as a "minor dispute” over which the Adjustment Board has exclusive jurisdiction. See 45 U.S.C. § 151 (defining "minor dispute” as disputes "growing out of grievances or out of the interpretation or application of agreements covering rates of pay, rules, or working conditions.”). Under the RLA, minor disputes must be submitted to the Adjustment Board for binding arbitration; judicial review of these decisions is only available in certain circumstances, none of which is present here. See id.; Hawaiian Airlines, Inc. v. Norris, 512 U.S. 246, 253, 114 S.Ct. 2239, 129 L.Ed.2d 203 (1994) ; United Transp. Union v. South Carolina Public
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What is the most suitable continuation to the opinion? Your options are:
A. holding the circuit court has exclusive jurisdiction over condemnation proceedings
B. recognizing that the attorney general has  vested immigration judges with exclusive jurisdiction over applications for adjustment of status in cases of deportation or removal
C. holding that federal jurisdiction over rico claims is concurrent and not exclusive
D. holding that federal courts have exclusive jurisdiction over securities act class actions
E. holding that adjustment boards have exclusive jurisdiction over minor disputes under rla
Reply with [A, B, C, D, E] only.