Read the following excerpt from a US court opinion:
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to address whether this letter could lead an objectively reasonable, but unsophisticated recipient, to believe the discharged debt was still payable. Merely focusing on the statutory notice contained in the letter, see 15 U.S.C. § 1692g(a), as the court did, neither constitutes such a finding nor fulfills our mandate because such an inclusion in a collection letter does not, by itself, exempt a party from liability under § 1692e. During the course of the bench trial, evidence, testimonial or otherwise, was received, but without findings of fact on this evidence from the trier of fact, we cannot conduct a meaningful review of the magistrate judge’s judgment, and therefore must again remand. See Kelley v. Everglades Drainage Dist., 319 U.S. 415, 422, 63 S.Ct. 1141, 87 L.Ed. 1485 (1943) . Based on the record before us, therefore, we
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What is the most suitable continuation to the opinion? Your options are:
A. holding that even though the medical evidence did not support the commissions findings that the plaintiff was restricted from any and all employment the award of total disability should be affirmed based on findings that the plaintiff had unsuccessfully sought suitable employment
B. holding that errors of law in a magistrates findings and recommendations pursuant to section 636b1b can be challenged on appeal even in the absence of the filing of objections in the district court
C. holding that in general an agencys conclusion of law that presents mixed questions of fact and law is reviewed under the clearly erroneous standard but questions concerning whether an agency has followed proper procedures or considered the appropriate factors in making its determination are questions of law which are reviewed de novo
D. holding the findings of fact required to support an alimony award are sufficient if findings of fact have been made on the ultimate facts at issue in the case and the findings of fact show the trial court properly applied the law in the case
E. holding that a proper determination of the questions of law  cannot be made in the absence of suitable findings
Reply with [A, B, C, D, E] only.