Which of the Following Best Illustrates the Similar Structure Hypothesis

Which of the following best illustrates the similar structure hypothesis?

A) A 10-year-old child with Intellectual Disability would progress through the same cognitive stages as typically developing children in his class, although at a slower pace.
B) A 10-year-old child with organic Intellectual Disability would progress through the same cognitive stages as a 10-year-old child with cultural-familial Intellectual Disability.
C) A 10-year-old child with organic Intellectual Disability shows similar cognitive abilities as a 10-year-old child with cultural-familial Intellectual Disability.
D) A 10-year-old child with Intellectual Disability, whose intellectual functioning resembles that of a five-year-old child, shows similar cognitive abilities as a typically developing five year old