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
Severe painful sensorimotor and autonomic neuropathy along with alopecia may suggest poisoning with: 
Select and explain. 
A. Thallium, B. Arsenic, C. Lead, D. Copper
A: Thallium
Answer: A: Thallium 
Explanation: Severe painful sensorimotor and autonomic neuropathy along with alopecia--thallium Severe painful sensorimotor neuropathy / GI disturbance and Mee's lines--arsenic Wrist or finger extensor weakness / anemia and basophilic stippling of red blood cells--lead Ref: Harrison, Edition-18, Page-3450.