引号部分the sights and sounds of "stock straders furiously excha

The sights and sounds of " stock traders furiously exchanging securities" has mostly disppeared.
“股票交易员疯狂买卖证券的身影和喧哗已大都散去.”
The sights and sounds of " stcok straders furiously exchanging securityes" 是句子主语.
" stcok straders furiously exchanging securityes" 后置定语修饰The sights and sounds
现在的人都喜欢重复提问,有意思吗?.

这不是一个整句，引号部分的内容是sights and sounds of的定语，引号部分又带了一个动宾结构的状态定语。