*) ----, while the early pioneers of intelligence testing were mostly interested in theoretical questions about the nature of intelligence.
A) IQ tests initially ignored the development of intelligence
B) Determining what intelligence is and how it changes has not been easy
C) Theoretical issues in intelligence testing tradition have overshadowed practical ones
D) Any approach to intelligence must have confronted the question of its structure
E) The pragmatic origins and uses of IQ tests have recently been emphasized