OG12 SC7 自行解决了，请忽视我。

MillionaireCL

7.As its sales of computer products have surpassed those of measuring instruments, the company has become increasingly willing to compete for the mass market sales they would in the past have conceded to rivals.
(A) they would in the past have conceded to rivals
(B) they would have conceded previously to their rivals
(C) that in the past would have been conceded previously to rivals
(D) it previously would have conceded to rivals in the past
(E) it would in the past have conceded to rivals

我的问题点不是出题点
而是，RIVALS为什么后面加S，TO DO 不定式后面不是加动词原形吗？为什么加S？？？
请各位牛人帮助！！

纠结了两天，发完贴后马上豁然开朗，CD真是个神奇的地方，
自行解决了，请忽视我。

DUKB24

7.As its sales of computer products have surpassed those of measuring instruments, the company has become increasingly willing to compete for the mass market sales they would in the past have conceded to rivals.
(A) they would in the past have conceded to rivals
(B) they would have conceded previously to their rivals
(C) that in the past would have been conceded previously to rivals
(D) it previously would have conceded to rivals in the past
(E) it would in the past have conceded to rivals

我的问题点不是出题点
而是，RIVALS为什么后面加S，TO DO 不定式后面不是加动词原形吗？为什么加S？？？
请各位牛人帮助！！

-- by 会员 MillionaireCL (2012/9/3 23:10:49)

这里的rivals是名词的复数形式，表示对手