This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2019, Subject name: ENT
A 35 years old female patient present with hearing loss with improvement in hearing in noisy environment. On examination Rinne's is negative and weber's is centralized. Following is the audiometry repo. What is the most likely diagnosis: 
Select and explain. 
A. Meniere's disease, B. Perilymph fistula, C. Stapedial Otosclerosis, D. Vestibular Schwannoma
C: Stapedial Otosclerosis
Answer: C: Stapedial Otosclerosis 
Explanation: POINTS OURING STAPEDIAL OTOSCLEROSIS: - Conductive hearing loss. - MC seen in females 20-30 yrs. - hears better in noisy surrounding (Paraacusis willisii) - Audiometry repo a dip at 2000Hz (Carha's notch) Meniere's disease causes SNHL. Perilymph fistula will cause SNHL. Vestibular schwannoma also will cause SNHL.