Has n't been riden that much because I really do n't know how to ride and I ca n't take the time to try and pick it up . I bought the bike because my brother got one at the same time and I thought I could catch on quick since I ride a street bike . It 's been to a couple of tracks and the last trip was to the desert .
According to the above context, choose the best option to answer the following question.
Question: Why is the narrator riding the bike less than usual ?
Options:
A. They do no tlike it .
B. None of the above choices .
C. They do n't have their brother to ride with .
D. They are not progressing quickly .


D