And it was n't half bad . The girls were very nice , and I got $ 15 for two hours . I did n't really have to do much other than make lunch though , since they played with cars the whole time .
According to the above context, choose the best option to answer the following question.
Question: How did I make an extra fifteen dollars ?
Options:
- I babysat some children .
 - None of the above choices .
 - I mowed my friend 's lawn .
 - I sold a few t - shirts I owned .


I babysat some children .