Which One of the Following Is Not Meant by the Question

Which one of the following is not meant by the question, "Is intelligence as measured by IQ stable"?

A) "Do children maintain their same rank order with respect to other children at different times?"
B) "Will the average 5-year-old become the average 10- or 18-year-old?"
C) "Will the above-average preschooler become the high-IQ 12-year-old?"
D) "Are the average 5-year-old and the average 10-year-old with identical IQs of 100 equally smart?"