Final answer:
Alexis is likely upset with David due to conflicting emotions and affections, reflecting themes of romantic complications and emotional turmoil.
Step-by-step explanation:
The given details suggest that Alexis was upset with David because of conflicting emotions and affections, as highlighted by the poem mentioned, where the speaker is torn between their feelings for Alexis and Damon. This turmoil is a common theme in literature, where characters struggle with love and choice. In the context provided, no direct mention is made of both Alexis and David, which implies that these are characters from a larger text or narrative that deals with romantic complications, emotional struggles, and relationship dynamics.