Stu Hires Jan to Negotiate and Sign a Contract with Ken

Stu hires Jan to negotiate and sign a contract with Ken on Stu's behalf.Which of the following is false?

A) If Jan acts outside express,implied,and apparent authority,Stu could still approve the contract and be bound by it.
B) If Jan acts within her apparent authority,but outside her express or implied authority,Stu will be bound by the contract but may sue Jan for breach of her agency contract.
C) If Jan acts within her implied authority,Stu will owe her for her services.
D) If Jan contracts with Ken on behalf of Stu but acts outside her express,implied,and apparent authority,Ken could not sue her for breach of contract because Ken has no contract with her.
E) If Jan acts within her express authority and negotiates and signs the contract with Ken,Jan is not a party to that contract.