单项选择题
A.Everyone who doesn't have a free ticket B.No one who doesn't have a free ticket C.No one who has free tickets D.Anyone who has free tickets
A.not paying B.not having paid C.have not paid D.not to have paid
A.has been referred to by a prominent psychiatrist B.has been referred to as by a prominent psychiatrist C.a prominent psychiatrist has referred to it D.it has been referred to by a prominent psychiatrist