People who have strong oral communication skills most likely:

will be more successful in the workplace.

better understand rhetoric and how to analyze it.

have strong critical thinking skills.

All of the choices are correct.

All the choices are correct.

Explanation:

1. Workplace success corresponds heavily with communication and public speaking prowess, regardless of your job.

2. Rhetoric is the art of speaking/writing confidently, which goes hand-in-hand with oral communication skills.

3. Critical thinking relies a lot upon ability to speak/listen efficiently.

So, all 3 would be accurate.