This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Prothrombin activator complex is made of 
Select and explain. 
A. Factor Xa, Va, VIIIa, B. Factor Va, VIIa, Platelet Phospholipids, C. Factor Xa, VIIIa, Tissue Phospholipids, D. Factor Xa, Va, Platelet Phospholipids
D: Factor Xa, Va, Platelet Phospholipids
Answer: D: Factor Xa, Va, Platelet Phospholipids 
Explanation: Activated Factor X combines with Factor V and platelet or tissue phospholipids to form the complex called prothrombin activator. Reference: Guyton Physiology; 13th ed; Page: 488