单选题 The root cause of many gifted students having bad memories of their school years is that______.

A、 their nonconformity brought them a lot of trouble.
B、 they were seldom praised by their teachers.
C、 school courses failed to inspire or motivate them.
D、 teachers were usually far stricter than their parents.

【正确答案】 C

【答案解析】[精解] 本题是一道细节题。参看文章的第一段“because they found school un- challenging and consequently lost interest”即：他们认为学校的活动没有挑战性，不能够激发他们的兴趣。
A．他们的不协调给他们带来一些麻烦。
B．他们很少被他们的老师表扬，属于无中生有的选项。
C．学校不能够激发鼓舞他们。与原文的意思一致。
D．老师通常比他们的父母严格。