Which of the following best explains why Italian-speaking children with dyslexia seem to be less impaired at reading than English-speaking children with dyslexia?
a. The Italian education system emphasizes reading instruction much more than English education systems.
b. Italian parents read to their children more frequently than English parents.
c. There relationship between letters and their corresponding sounds is much simpler in Italian than it is in English.
d. Genes that influence the development of dyslexia are much more common in English populations than in Italian populations.