Intelligence Tests Can Help Teachers Group Children Who Function at Roughly

Intelligence tests can help teachers group children who function at roughly the same level in such subject areas as math or reading so they can be taught the same concepts together.Is there a drawback to using the intelligence tests in this manner?

A) Yes, there is a drawback unless periodic assessment is required because these tests only measure current performance.
B) No, there isn't a drawback because children basically stay at the same maturational level.
C) No, there isn't a drawback because a child's IQ basically remains the same.
D) No, there isn't a drawback because the score on an IQ test is always accurate.