英语翻译她上周生病了,这解释了她为何周三缺席的原因（分别用定语从句、主语从句和同位语从句解释）

定从She was ill last week, which explained why she was absent on Wednesday.
主从That she was ill last week explained why she was absent on Wednesday.
同位语The fact that she was ill last week explained why she was absent on Wednesday.
以上句中的explain的时态可自定