Answer:
The correct option is a: 0.25 Liters.
Explanation:
To find how many liters of soup are in one contanier we need to convert the unit milliliters to liters.
In 1 L we have 1000 mL so in one container of 250 mL we have the following content in liters:

Therefore, the correct option is a: 0.25 Liters.
I hope it helps you!