According to the System Traditionally Used to Categorize Various Levels

According to the system traditionally used to categorize various levels of intellectual disability,Forest was placed in the profound category.What would you expect of Forest

A)  IQ less than 25, and few or no speech skills 
B)  IQ between 25 and 40, and the ability to learn simple tasks in a structured environment 
C)  IQ between 40 and 55, and academic skills equivalent to a Grade 3 child 
D)  IQ between 55 and 75, and academic skills equivalent to a Grade 6 child