Read the following article and answer the question by choosing from the options.

The first time it happened was just a few weeks after he died . I was at the grocery store , alone - another new way of doing things , because usually he and I had done the shopping together . I was at the check - out stand , my cart of groceries unloaded , scanned , and bagged , my checkbook out , pen poised to begin writing .

What may be the reason why this grocery trip was different ?
Available options:
A). I went alone .
B). I went with him .
C). I was using my checkbook .
D). I scanned my own groceries ....A:
A).