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
Botulism characterised by  a) Seizure  b) Fever  c) Ascending paralysis  d) Descending symmetrical paralysis  e) Blurring of vision 
Select and explain. 
A. abc, B. bd, C. cde, D. de
D: de
Answer: D: de 
Explanation: None