Standard Co

Standard Co.has an employee pension plan under which Jessica has worked for 12 years.Jessica is laid off at age 60,and five years later she "retires" and attempts to draw her pension benefits.However,she is informed that she is not eligible for pension benefits because she had not been working under the Standard Co.plan at the time of her retirement.Is this correct?

A) Yes,if that is what the Standard Co.plan specifies.
B) No,since Jessica worked longer than 10 years for Standard Co.
C) No,since Jessica's benefits are vested.
D) Yes,since Standard Co.only has a responsibility to current employees.