Besides , getting it out of the way now leaves us feeling more secure and allows us to focus on other expenses . As seen in my earlier entries , last winter was survived rather comfortably on less than 100 gallons of fuel oil , supplemented with occasional uses of a small electric space heater . So , with 100 gallons being the minimum purchase for delivery , we bought just that again this year .

Choose from:
[A]. None of the above choices .;
[B]. They asked for advice on what else they can be using for heat .;
[C]. This may have been sufficient again for this year .;
[D]. They may not have had a place to put the fuel oil .;
Q: What may have happened that winter with only 100 gallons of fuel oil ?
[C].