In a Phenomenon Referred to as the "Intellectual Imbalance," It

In a phenomenon referred to as the "intellectual imbalance," it has been found that offenders tend to score lower than the overall population on the ______ intelligence subscale, but not on the ______ intelligence subscale.

A) performance; verbal
B) verbal; performance
C) none of these; this term is used to refer to the disparity between offenders and nonoffenders on the full-scale IQ test.
D) none of these; no IQ difference has been found between offenders and nonoffenders.