Answer:
D. The chronological age that most typically corresponds to a given level of intelligence test performance
Step-by-step explanation:
Binet separate mental age into two general categories, physical age and mental age. Physical age is counted from how much years have passed ever since you are born.
Mental age on the other hand is measured by how much your intelligence have developed compared to average people in your age group. Intelligence test performance and emotional test performance are very common to be used in order to measure your mental age.