This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nutrition, Subject name: Medicine
Which of the following is not a feature of Wernicke's,encephalopathy: 
Select and explain. 
A. Global confusion, B. Opthalmoplegia, C. Ataxia, D. Aphasia
D: Aphasia
Answer: D: Aphasia 
Explanation: Ans.(d) AphasiaRef: Harrison 19th ed. / 2724The classic triad of symptoms found in Wernicke's encepha- lopathy is:* Global Confusion* Ophthalmo-plegia (Most commonly affecting the lateral rectus muscle).* AtaxiaFor diagnosis: Thiamine can be measured using an erythrocyte transketolase activity assay or by activation by measurement of in vitro thiamine diphosphate levels.