关于双重所有格 求教牛牛

zhaoyiqing

GWD-8-Q32:

      At the annual stockholders meeting, investors heard a presentation on the numerous challenges facing the company, including among them the threat from a rival’s multibillion-dollar patent-infringement suit and the declining sales for the company’s powerful microprocessor chip.



?         including among them the threat from a rival’s multibillion-dollar patentinfringement suit and the declining sales for

?         which includes the threat of a rival’s multibillion-dollar patent-infringement suit and declining sales of

?         included among these the threat from a rival’s multibillion-dollar patentinfringement suit as well as a decline in sales for

?         among them the threat of a rival’s multibillion-dollar patent-infringement suit and the decline in sales of

?         among these the threat from a rival’s multibillion-dollar patent-infringement suit as well as the decline in sales for

为什么D的这个OF +'S是对的呢

差了一下说 'S +N就不是双重所有格了

但是看到一道双重所有格就是有N的 要怎么区分呢

求教牛牛

zhaoyiqing

UPUP

sayysong

among them the threat of a rival’s multibillion-dollar patent-infringement suit and the decline in sales of the company’s powerful microprocessor chip

不是双重所有格吧，我认为应该理解为
threat of suit --- threat of (a rival's) suit
decline in sales of chip --- deline in sales of (company's) chip