now they have had special cages made to protect them from these m_英语解答

now they have had special cages made to protect them from these monsters.
请问made to 怎么理解,是词组,还是什么,和前面的have had是什么关系,

人气：486 ℃　时间：2020-05-22 07:59:14

解答

now they have had special cages which were made to protect them from these monsters.
省略which were