Answer: A. Quick and light movement
C) Biologists backed up these ideas with sketches and models based on known animals.
The frame story depicts the author’s daughter, Kathleen, asking whether her father had ever killed someone in war. The fact that the author struggles to answer this question, and even lies to his daughter, shows that this issue still weighs heavily on him. Thus, this frame story adds depth and weight to the central story about the battle in My Khe and the killing of a young Vietnamese soldier. The frame story illustrates that incidents from the war have resonated throughout the author’s life
