Final answer:
The correct answer is B) A Trustee.
Step-by-step explanation:
The correct answer is B) A Trustee. A trustee is a person who holds legal authority to manage a trust and make decisions on behalf of the trust's beneficiaries. In this case, Albert has the legal authority to sign the sales contract for the property held in trust. As a trustee, Albert is responsible for acting in the best interest of the beneficiaries and managing the trust property according to the terms of the trust.