Answer:
A. Dyslexia
Step-by-step explanation:
Dyslexia is often characterized by difficulty in reading and spelling simple words. It is a learning disability that is impossible to cure but can be managed with the help of a trained specialist.
Sabine is not alone in this category of learning disability as it is estimated that about 5% of the population suffer from dyslexia. Some children overcome their learning disabilities (dyslexia) as they grow older, some don't.
Notable names such as Albert Einstein, John F. Kennedy had some form of dyslexia. Actors such as Keanu Reeves, Jennifer Aniston etc also suffer from dyslexia.