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1.                  Those with a cynical turn of mind might speculate if the new corporation, eager for profit, might not have started the rumor that caused its competitor to declare bankruptcy.  

(A) speculate if the new corporation, eager for profit, might not have started

(B) speculate if the new corporation, eager for profit, had not started

(C) speculate if, in its eagerness for profit, the new corporation started

(D) wonder as to whether, in its eagerness for profit, the new corporation did not start

(E) wonder whether the new corporation, eager for profit, had started

答案是e，我没有搞懂了　eager for profit　是什么成分，为什么要用过去完成时。

wounder 和speculate 在意思上是不是可以互换？

谢谢

Please take a look at the highlighted words below, and try to fet the feel.

Those with a cynical turn of mind might "wonder whether the new corporation (which is) eager for profit, had started" the rumor that caused its competitor to declare bankruptcy.  

I think wounder 和speculate can be exchanged here, but that is not the issue in this question.