Read the following excerpt from a US court opinion:
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See Ackerson v. Bean Dredging, LLC, 589 F.3d 196, 209 (5th Cir.2009). Federal Rule of Civil Pro cedure 12(b)(6) authorizes the dismissal of a complaint that fails “to state a claim upon which relief can be granted.” This rule must, however, be interpreted in conjunction with Rule 8(a), which sets forth the requirements for pleading a claim for relief in federal court. Rule 8(a) calls for “a short and plain statement of the claim showing that the pleader is entitled to relief.” Fed.R.Civ.P. 8(a); see also Ashcroft v. Iqbal, 556 U.S. 662, 677-82, 129 S.Ct. 1937, 1949-51, 173 L.Ed.2d 868 (2009) (applying Rule 8(a) and plausibility standard to Rule 12(b)(6) motion raising qualified-immunity defense); Swierkiewicz v. Sorema N.A., 534 U.S. 506, 508, 122 5. Ct. 992, 152 L.Ed.2d 1 (2002) . As a result, “[a] motion to dismiss for
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What is the most suitable continuation to the opinion? Your options are:
A. recognizing that the federal pleading standard is a less stringent standard than the delaware pleading standard
B. holding that the pleading standard set forth in twombly applies to all civil actions
C. holding rule 8as simplified pleading standard applies to most civil actions
D. recognizing the liberal notice and simplified pleading principles underlying the federal rules of civil procedure
E. holding that a court may not apply a heightened pleading standard more stringent than the usual pleading requirements of rule 8 in civil rights cases alleging municipal liability under  1983
Reply with [A, B, C, D, E] only.