how did Evelyn deafness come to light?

Dear Student,

Evelyn's deafness first came to light to her mother at the age of 8. It so happened that her name was announced to play on piano but she did not respond. Her mother noticed this but Evelyn managed to hide her deafness. At the age of 11, her marks deteriorated. Her headmistress urged her parents to take her to a specialist and it was then discovered that her hearing was severely impaired.

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