What is an example of an interpretive question?

A what is the topic of the study that dr croarkins presented to the advisory board?
B why did Xavier felder want to join the Mayo Clinic’s pediatric advisory board?
C what are the ages of the kids on the Mayo Clinic’s pediatric advisory board?
How effective is the authors explanation of why researchers have use advisory boards?

D How does the use of a pediatric advisory board contribute to the success of medical research at the Mayo Clinic?

An example of an interpretive question would be D) How effective is the author's explanation of why researchers have to use advisory boards?