What Was the Reason That Led to the Final Decision

What was the reason that led to the final decision by the court in the Hodge v. Shea case?

A) The consideration offered by Dr. Hodge did not require an actual detriment.
B) Dr. Hodge promised a benefit to which he had a pre-existing obligation.
C) Dr. Hodge acted in haste in an effort to fortify what he must have realized was a dubious contract.
D) Since Mr. Shea was not infirm to the point of incompetency to contract, the manifesting assent was binding.
E) Mr. Shea's assent to the contract, without notice to Mr. Ransdell and under deliberate enticement, was not the product of an exercise of an informed judgment.