请问同一个句子里的one 和 ones一定要指代同一个词吗？还是可以指代不同的？

rainbowmanutd

请问同一个句子里的one 和 ones一定要指代同一个词吗？还是可以指代不同的？例如这个题的B项，one 和ones的指代正确吗？还是说都要指代一个名词？
Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.

1. Heavy commitment by an executive to a course of action, especially if it has worked well in the past, makes it likely to miss signs of incipient trouble or misinterpret them when they do appear.
   
   
   
2. An executive who is heavily committed to a course of action, especially one that worked well in the past, makes missing signs of incipient trouble or misinterpreting ones likely when they do appear.
   
   
   
3. An executive who is heavily committed to a course of action is likely to miss or misinterpret signs of incipient trouble when they do appear, especially if it has worked well in the past.
   
   
   
4. Executives’ being heavily committed to a course of action, especially if it has worked well in the past, makes them likely to miss signs of incipient trouble or misinterpreting them when they do appear.
   
   
   
5. Being heavily committed to a course of action, especially one that has worked well in the past, is likely to make an executive miss signs of incipient trouble or misinterpret them when they do appear.
   

stellapass

我觉得是这样，one和ones本身就有单复数的区别，怎么能指代同一词呢。