the life insurance policy she thought was in place was not a

the life insurance policy作主语,she thought was in place定语从句,修饰policy,was 系动词,not后面省略了in place,and she was worried是另一个并列的句子（she主语,was系动词,worried表语）
句子意思是“她认为的生命保险政策事实上还没到位,因此她很担心）