实验室有一些硫酸钠和碳酸钠混合的白色粉末，老师让小明利用这些白色粉末，进行如图所示实验：
请结合实验及相关数据回答下列问题：
对燕麦胚芽鞘进行如图所示的处理：①在胚芽鞘尖端套上不透光的锡箔小帽；②将尖端下部用锡箔遮住；③在尖端横向插入锡箔；④在尖端横向插入琼脂片；⑤切去胚芽鞘尖端。请据图判断下列叙述错误的是 （）
－My parents our home for a few hours when I arrived. I didn't meet them.－You could call them if you wanted to know where they were.
