Which of the Following Statement Is True in Relation to the Operation

Which of the following statement is true in relation to the operation of secret trusts?

A) Secret trusts are trusts made in wills in which the trustees and beneficiaries are concealed from everyone until the operation of a secret event.
B) Secret trusts provide a mechanism for testator to leave property to a named beneficiary, who is then under an enforceable obligation to pass it on to another, unnamed beneficiary.
C) Secret trusts provide a means to provide for someone to conceal gifts to others during the lifetime of the settlor.
D) In a secret trust, the beneficiaries and trustees are known, but the beneficiaries are only entitled on the happening of a secret event.