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: Ophthalmology
All of the following signs may be appreciated in a patient with early papilloedema except: 
Select and explain. 
A. Obscuration of superior, inferior and nasal disc margins, B. Absence of spontaneous venous pulsation, C. Mild hyperaemia of the disc, D. Obliteration of physiological cup of the optic disc
D: Obliteration of physiological cup of the optic disc
Answer: D: Obliteration of physiological cup of the optic disc 
Explanation: Ans. Obliteration of physiological cup of the optic disc