Notice option 3 is incorrect

Which one of the following represents a time stamped signature in an efficient and secure way? ou selected this answer. A -> B: A B -> A: Time A -> B: A, hash(password+Time) B -> A: Token A -> B: A B -> A: Time A -> B: A, hash(A+password+Time) B -> A: Token A -> B: A B -> A: Time A -> B: A,Time, hash(A+password) B -> A: Token A -> B: A B -> A: Time A -> B: Time, hash(A+password+Time) B -> A: Token A -> B: A B -> A: Time A -> B: A, Time, hash(A+password+Time) B -> A: Token