Respuesta :
Answer: The correct answer for the fill in the blank is B. Mental age involves calculating the chronological age at which a person functions.
Mental age corresponds to the attainment of mental abilities by an individual. It is related to intelligence and based on the chronological age ( calculated from the date on which individual was born) at which any average individual attains the same level of mental abilities.
Therefore, mental age involves calculation of the chronological age at which a person functions and attains mental abilities.
