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
A 52-year-old woman comes to the physician because of palpitations, sweating, and heat intolerance. Physical examination shows a palpable mass over the anterior aspect of the neck. 
Which of the following features is most associated with this condition? 
Select and explain. 
A. Constipation, B. Elevated thyroid stimulating (TSH), C. Ophthalmoplegia, D. Slow relaxing reflexes
C: Ophthalmoplegia
Answer: C: Ophthalmoplegia 
Explanation: None