【题目】Children under sixteen are not permitted to participate in such kind of activities ______ bad for their mental development.
A．as is B．as are
C．that are D．that they are
在线课程【答案】A
【解析】考查定语从句。句意：十六岁以下的孩子们不被允许参与这种对他们的心智发展有害的运动。此句的先行词是kind，谓语动词用is。通常as引导的定语从句的固定搭配是such...as或the same...as。