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
Which of the following statement regarding Eustachian tube dysfunction is wrong? 
Select and explain. 
A. Undistoed light image on the anterior quadrant of tympanic membrane, B. No movement of the tympanic membrane on siegel's method, C. Malleus is easily visible, D. Lusterless tympanic membrane
A: Undistoed light image on the anterior quadrant of tympanic membrane
Answer: A: Undistoed light image on the anterior quadrant of tympanic membrane 
Explanation: Normally Eustachian tube (ET) is closed and opens intermittently during yawning, swallowing and sneezing through active contraction of Tensor vili palatini muscle.