关于介词搭配的语法题

beMe

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 paten-infringement suit and the declining sales for the company's powerful microprocessor chip.
D.among them the threat of a rival's multibillion-dollar -patent-infringement and the decline in sales of
E.among these the threat from a rival's multibillion-dollar-patent-infringement and the decline in sales for
选（D）.
Y?

beMe

sales of正确，意思为“xx的销量”，没有sales for一说
threat of +抽象概念，threat from+sb
E两个方面都错了

-- by 会员 leelh29 (2010/11/27 23:09:41)

OK明白啦

leelh29

sales of正确，意思为“xx的销量”，没有sales for一说
threat of +抽象概念，threat from+sb
E两个方面都错了