In the Context of Measurement of Personality, Which of the Following

In the context of measurement of personality, which of the following statements is true?

A) The reliability of tests is usually assessed by comparing test results to external criteria or standards.
B) A reliable IQ test does not usually provide scores during childhood that remain reasonably similar in adolescence and adulthood.
C) The intellectual functioning of an individual cannot be assessed without relating it to other people in the same age group.
D) The validity of personality tests cannot be assessed by comparing test results to external criteria or standards.