When Tina Was Four Years Old, Her Parents Were Concerned

When Tina was four years old, her parents were concerned about her expressive language. She spoke only in two- or three-word sentences. Tina was also unable to feed and dress herself. Her IQ score was 23. Tina's psychologist most likely diagnosed her with _____.

A) mild intellectual disability
B) moderate intellectual disability
C) severe intellectual disability
D) profound intellectual disability