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: Ophthalmology
Dalrymple's sign of ocular Graves' disease refers to: 
Select and explain. 
A. Retraction of the upper lid, B. Lid lag, C. Proptosis, D. All of the above combinedly
A: Retraction of the upper lid
Answer: A: Retraction of the upper lid 
Explanation: Ans. Retraction of the upper lid