What Is the Key Holding in BCCI V Akindele [2000]

What is the key holding in BCCI v Akindele [2000] 4 All ER 221 in relation to liability for knowing receipt of trust property in breach of trust?

A) It must be proved that the recipient was dishonest because this aligns liability with dishonest assistance in breach a trust.
B) Liability can only be imposed where the recipient had such knowledge of the circumstances that it would be unconscionable for them to retain the benefit of the property.
C) There is no need to show any degree of knowledge on the part of the recipient if they were volunteers because no one who receives property to which they were not entitled should have any right to retain the benefit of it.
D) Liability will be imposed on a recipient of trust property who has failed to enquire fully into the source of the property.