Studies show that teachers unconsciously assume that students who regularly perform poorly on assessments have below-average abilities, andin neglecting to provide the academic challenges that would catalyze their intellectual potential , the students often accept this damaging diagnosis and the life limits it implies.
(A) in neglecting to provide the academic challenges that would catalyze their intellectual potential
(B) when they neglect providing the academic challenges that would be catalyzing
...
(A) in neglecting to provide the academic challenges that would catalyze their intellectual potential
(B) when they neglect providing the academic challenges that would be catalyzing
...