Read the following context and choose the best option to answer the question.
Context: Today I can run a mile in about 6 minutes , which in the grand scheme of athletic things is n't all that fast , but compared to the sloth - like pace back in 6th grade I ' ve come a long ways . And in my perpetually dissatisfied view of my athletic self I still yet have a ways to go . Let 's make this clear though - everybody has a limit .
Question: What will most likely happen as the writer continues to run ?
Options: 
A. They will feel more hungry .
B. They will feel that running is not worth it .
C. They will be able to run for longer periods .
D. They will be tired more easily .


C