Read the following context and choose the best option to answer the question.
Context: 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 .
Question: What may be the reason why this grocery trip was different ?
Options: 
- I went alone .
 - I went with him .
 - I was using my checkbook .
 - I scanned my own groceries .


I went alone .