i think i exhausted myself with that baguio climb and long run . i lost i think three kilos in over a week and it 's not nice . i 'll find time later . i 'll be out on the track later .
According to the above context, choose the best option to answer the following question.
Question: Why might the narrator have exhausted themselves ?
Options:
A. They have n't been taking in the correct amount of calories .
B. They have been trying to reach their goals too quickly .
C. None of the above choices .
D. They are not physically capable of working out .


B