Final answer:
The correct diagnosis of intellectual disability would be someone with A)an IQ of 85 and significant difficulty communicating.
Step-by-step explanation:
The correct diagnosis of intellectual disability would be option A) someone with an IQ of 85 and significant difficulty communicating.
In order to be diagnosed with an intellectual disability, a person must have an IQ below 70, major deficits in adaptive functioning, and these cognitive and adaptive deficits must have been present before the age of 18. The DSM-5 lists criteria for each subgroup of intellectual disability.
Therefore, someone with an IQ of 85 and significant difficulty communicating would meet the criteria for intellectual disability.