When Charmaine was 10 years old, she completed the original Binet-Simon scale. She answered all the questions that a typical six-year-old would answer, but none of the questions a typical seven-year-old would answer. Based on this information, Charmaine's mental age would be

A) 10 years.
B) 6 years.
C) 8 years.
D) 60 years.

Binet-Simon Scale

A psychological test originally designed to assess intelligence through a series of tasks measuring various cognitive abilities.

Mental Age

A measure of an individual's mental attainment based on the age at which it takes the average individual to reach that same level of attainment.

Original

Pertaining to something that is the first of its kind or unique in its context.