Intelligence Quotient Is the _______

Intelligence quotient is the _______.

A) intellectual level at which a child functions, based on the typical performance of a child of a certain age.
B) ratio obtained by dividing a child's mental age on an intelligence test by his or her chronological age.
C) factor hypothesized to be present in intelligence tests that provides an advantage for test takers from certain cultural backgrounds.
D) descriptive result of an intelligence test in which cultural biases have been removed.