Answer: C
IQ between 90 and 109 is normal, IQ between 110 and 119 is higher than normal, IQ between 120 and 129 is supernormal, and IQ greater than or equal to 130 is extremely supernormal. , IQ between 80 and 89 is lower than normal, IQ is at the border of 70-79, and IQ below 70 is considered intellectual disability.