Gunnar Is 50 Years Old,and He Had Only Completed the Sixth

Gunnar is 50 years old,and he had only completed the sixth grade when he was in school.For the past 30 years,Gunnar has been a successful fisherman who has five fishing boats.Recently,he took part in an aging study conducted by a university near his home,and he was told that his IQ score was only 65.Based on the definition for mental retardation,provided by the American Association on Mental Retardation,Gunnar

A) does not meet the definition because he does not show deficits in daily living skills.
B) does not meet the definition because his IQ score is too high.
C) would be classified as having mild mental retardation.
D) would meet the criterion for moderate to severe mental retardation.