从句 分析结果

问题描述:

从句 分析结果
A atomic bomb dropped on Hiroshima in 1945,after they were dropped,
people at the time felt that they had let the genie out of the bottle.
请问老师这是一个宾语从句吗,felt动词后面 that在从句中的成分是什么?that后面主谓宾都齐全了为什么还要用thai代词呢?

是宾语从句,that是引导词,不做成分,此处可加that也可省略的.