Read the following context and choose the best option to answer the question.
Context: Yesterday I led a bunch of young Girl Scouts ( mostly Brownies and Daisies ) in our little neighborhood parade . It was cloudy , and cool enough that I was marching in a long - sleeved shirt without too much discomfort ( Clouds and showers are standard July 4 weather in Seattle , in case you were wondering . Real summer usually starts July 5 . ) , so I was missing the usual " Put sunscreen on , you silly person ! "
Question: What were they celebrating ?
Options: 
A. Christmas Eve
B. Labour Day
C. American Independence Day
D. None of the above choices .


C