Answer:
The correct answer is a. Dyslexia.
Dyslexia is a learning disorder characterized by difficulty in reading and comprehending written language. People with dyslexia may have trouble with decoding words, recognizing written words, and understanding the meaning of written text. It is important to note that dyslexia is distinct from other conditions such as dysphasia (difficulty in speaking or understanding verbal language) or dysthymia (a form of chronic depression).