Answer:
b. Choose a retirement package that best matches your career stage. At this presentation,you'll learn how you can make sure you have enough money for as long as you live.
Explanation:
In the given scenario we are trying to persuade employees to update their retirement plans to meet the changing situation of their careers.
We want to invite them to a meeting where they can learn the benefits of getting a better retirement plan.
The best approach is to send a message that focuses on them and their role in this process. Not the company's role.
Option B exemplifies this by stating they are learning to how to choose a retirement plan that will provide for them for the rest of their lives.
The other two options uses the statement - we'll tell you how to manage your longevity.
This creates an impression that the company wants to impose their point of view on the employees, and this may not get the expected response from employees.