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: Medicine
Which of the following is true about multiple sclerosis except - 
Select and explain. 
A. Nystagmus on abducting eye, B. Nystagmus on adducting eye, C. One and half syndrome, D. Pendular nystagmus
B: Nystagmus on adducting eye
Answer: B: Nystagmus on adducting eye 
Explanation: None