单选题 The stubborn young man didn't follow the advice that he______ on his bad behavior.
A. reflect B. reflects C. would reflect D. must reflect

【正确答案】 A
【答案解析】这是一个由that引导的同位语从句,说明advice的具体内容。advice建议,是一个带有主观意愿的名词,因而后面接的从句要用should do的虚拟语气形式,其中should可以省略。