The correct answer is D. Repeating words that someone else has said.
Explanation.
The word "Echolalia" mainly used in certain fields of medicine such as psychology and psychiatry refers to the automatic or involuntary repetition of words or vocalizations made by someone else that is part of imitative behavior and mainly occur without awareness. Additionally, echolalia is related to short-term memory and can also be an indicator of autism, schizophrenia, epilepsy and other diseases or disorders and because of this echolalia has been widely studied in medicine. Therefore echolalia means repeating words that someone else has said.
A doctor can change a patient’s life, a patient might be suffering from a condition that affects their life significantly and when a doctor treats this condition,it will change their life forever and their life will become better. So when a doctor treats a patient they change their life which gives them a new life.