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: ENT
What is the color of the normal tympanic membrane? 
Select and explain. 
A. Pearly white, B. Gray, C. Yellow, D. Red
A: Pearly white
Answer: A: Pearly white 
Explanation: Such a simple appearing question can also confuse us with its options. Most of the texts say that tympanic membrane is pearly grey in color.