求助句子结构问题！！

拧巴君

1、Until recently，Ascaris azure iswas thought to be different species of roundworm.
2、Egypt appears to have been affected more than its westerly neighbor.
3、A cave in southwestern South Africa was used as a paint production workshop.
求问这三个句子的结构，答案说是SVOC（主+谓+复合宾语），但是这三个句子都搞不清楚，感觉动词后接的都是宾语啊？到底哪个是宾语，哪个是补语？求大神解答！

拧巴君

有人嘛……