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The end of the eighteenth century saw the emergence of prize-stock breeding, with individual bulls and cows receiving awards, fetching unprecedented prices, and excite[S1] d enormous interest whenever they were put on show.

(A) excited

(B) it excited

(C) exciting

(D) would excite（C）

(E) it had excited

插入语，解释说明prize-stock breeding

不确定。

那位nn给解释解释？

这里“with +名词（代词）+分词+介词短语” 是独立结构，表示伴随状况，可看成状语，修饰主句。 大致相当于：

The end of the eighteenth century saw the emergence of prize-stock breeding, as individual bulls and cows received awards, fetched unprecedented prices, and excited enormous interest whenever they were put on show.

我的理解，插入语是独立结构的一种吧。这里with...也可叫插入语。但我觉得不只是修饰prize-stock breeding。

独立成分 (薄冰英语语法)

可做独立成分的通常有三种词语， 即感叹语， 呼语和插入语。

1)      。 感叹语， 多置于句首，有的亦可置于句中或句末。 如；

(1)   Oh, John, will you come into my room, please?   

        噢， 约翰， 请你到我房间来好吗？

(2)   You’re joking, eh?

       你是开玩笑， 是吧？

2)      。 呼语， 可置于句首，句末或句中， 如；

(1)   John, you are wanted on the phone.

       约翰， 有你的电话。

(2)   Good-bye, everybody!

       大伙儿再见！

3)      。 插入语， 指插在句中的词语， 如；

(1)   The peasant woman receives nothing, since whatever she earns is the

property -as she herself is- of the husband who has bought her as his

      wife.

                        农民妇女一无所得，因为她所挣得的-像她本人一样-都归将她买

                        来做妻子的丈夫。

(2)   Business, he reflected, appeared as brisk as ever.

      在他想，生意似乎一直很兴隆。( he reflected 亦可看作是句子状

      语) 。

我这唯一带在身边的语法书，而且已经是老古董了，还是袖珍本，如果解释和例子太过肤浅和过时了的话，大家可不要见怪哟！

清楚，谢谢