Claudia is a third grader with intellectual disabilities. She has thick epicanthal folds in the corner of her eyes, small stature, decreased muscle tone, speckling of the iris of the eye, a small oral cavity, and short, broad hands with a single palmar crease. These characteristics are typical of:.
A) cultural-familial intellectual disabilities.
B) Down syndrome. C) fetal alcohol syndrome. D) Fragile X syndrome.