Catherine has Type O blood and is Rh negative. Who can she donate blood to and receive blood from?

She can receive blood from anyone but can only donate to other Type O, Rh-negative people.
She can donate to anyone but can only receive blood from other Type O, Rh-negative people.
She can only donate to and receive blood from other people with Type O, Rh-negative blood.
She can only donate to people with Type O blood and can receive blood from anyone.