Which, If Any, of the Following Statements Are True in Relation

Which, if any, of the following statements are true in relation to the protector of a discretionary trust?

A) A protector is a device worn by cricketers to prevent injury to a sensitive part of their anatomy.
B) The protector's consent may be required to the exercise of any discretion by the trustees.
C) All discretionary trusts must have a protector.
D) The protector may remove objects from the trust, or add them.