This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Angular vein is formed by: 
Select and explain. 
A. Superficial temporal and supratrochlear vein, B. Superficial temporal and supraorbital vein, C. Retromandibular and supratrochlear vein, D. Supraorbital and supratrochlear vein
D: Supraorbital and supratrochlear vein
Answer: D: Supraorbital and supratrochlear vein 
Explanation: The supratrochlear and supraorbital veins unite at the medial angle of the eye forming the angular vein which continues down as the facial vein.