another question

cbyan

thanks for answering.
In the 1950s,when the Chrysler Corporation sponsonde a live television show about the assassination of Abraham Lincoln,(it forbade the actors to mention Lincoln's name or th name of the Ford Theater because it) did not want to plup the competition.
I thoutht "it" is vague.so I choose:
the actors were forbidden to mention Lincoln's name or the name of the Ford Theater because they

tongxun

但我觉得it指带 Chrysler Corporation 没有模糊啊。你的选择：用了被动时态，但动作的执行者不明确。所以，我觉得还是原来的好点。

raonx

同意  tongxun
另外 cbyan 的选择中的they 在句中反而指代不明.