Whether there should have been sacraments after sin, before Christ?

Objections

Objection 1 : It seems that there should have been no sacraments after sin, before Christ. For it has been stated that the Passion of Christ is applied to men through the sacraments: so that Christ's Passion is compared to the sacraments as cause to effect. But effect does not precede cause. Therefore there should have been no sacraments before Christ's coming.
Objection 2 : Further, sacraments should be suitable to the state of the human race, as Augustine declares (Contra Faust. xix). But the state of the human race underwent no change after sin until it was repaired by Christ. Neither, therefore, should the sacraments have been changed, so that besides the sacraments of the natural law, others should be instituted in the law of Moses.
Objection 3 : Further, the nearer a thing approaches to that which is perfect, the more like it should it be. Now the perfection of human salvation was accomplished by Christ; to Whom the sacraments of the Old Law were nearer than those that preceded the Law. Therefore they should have borne a greater likeness to the sacraments of Christ. And yet the contrary is the case, since it was foretold that the priesthood of Christ would be "according to the order of Melchisedech, and not . . . according to the order of Aaron" (Heb. 7:11). Therefore sacraments were unsuitably instituted before Christ.