请仔细看
the speech （he was given to he all of the parents and teachers ）
括号里的是speech的定语从句,但是he was given to all of the parents and teachers 变为主动就是 X gave him to all of the parents and teachers 从意思上就可以看出这句话的荒谬了
其次,先行词speech无法代入定语从句,定语从句不缺任何成分,从语法上也可以看出这句句子的错误
B可以改成was to give