Hello! Sorry this is a little late, but hopefully it can help others who visit this question.
I believe the best answer to your question would be option four, determination.
For those who have the same question, but have different answer options, another correct to this question would be resolve.
I can confirm these answers are 100% correct.
Hope this helps, and have a great rest of your day! :)
112 miles
28 miles x 4 hours= 112
