Read the following context and choose the best option to answer the question.
Context: Just a small musing to start this all off ... I was walking home from work this morning and reallized nobody really looks up in the city . Everybody looks straight ahead towards their destination . I looked up and it was like seeing a new side of something I took for granted .
Question: Why is the narrator feeling a bit more grateful ?
Options: 
A. They realize the beauty of walking among so many people .
B. None of the above choices .
C. They realize the beauty of the cities economy .
D. They realize the beauty of massive buildings .


D