Answer:
Scenario B
Step-by-step explanation:
The elastic potential energy of a spring is given by:

where k is the spring constant and x is the compression/stretching of the string.
Let's apply this formula to calculate the elastic potential energy for each scenario:
- Scenario A:

- Scenario B:
- Scenario C:

- Scenario D:

So, scenario B is the one that generates the most elastic potential energy.