Place the Steps of Blood Clotting in Correct Sequence as It

Place the steps of blood clotting in correct sequence as it occurs.? 1.calcium utilized 4.fibrinogen converts to fibrin?
2) clot forms5.prothrombin converts to thrombin?
3) uncoagulated blood

A) 3, 1, 5, 4, 2
B) 3, 1, 4, 5, 2  
C) 2, 1, 4, 5, 3
D) 3, 2, 1, 5, 4