Read the following context and choose the best option to answer the question.
Context: But first I had to trim away some of the shrubs growing up around the window frames . I trimmed other brush , too , because I was out in the yard working , anyway . Foul white flies and other winged pests flew up around me as I worked . I found a nest yellow - jackets in a hole by the apple tree , and killed them .
Question: why were the pests there ?
Options: 
A. they loved the windows
B. None of the above choices .
C. they were out to get me
D. they came out of nowhere


B