GWD8-Q32

GWD-8-Q32: A D  ？

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.

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

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

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

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

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

A 的including 错在哪啊？实在看不懂

D是什么结构啊？请大家帮我分析一下，谢谢了先