Which One or More of the Following Statements About the Beneficiary

Which one or more of the following statements about the beneficiary principle is true?

A) Every trust, without exception, must have immediately identifiable beneficiaries who can enforce the trust .
B) A trust to look after a named pet is valid because it is well known that people who care for animals are also caring in relation to other human beings, so there is a public benefit.
C) Trusts for purposes will be valid, even if there are no human beneficiaries, provided that the purpose is defined with sufficient clarity to enable the court to compel its performance.
D) Even if a trust has human beneficiaries, the trust may fail for other reasons.