There's a code of conduct, and what those rules are is number one, no crying, number two, no snitching, and number three, always seek revenge." Those rules ring true to Reynold's own experience: At 19, one of his best friends was murdered, and he considered revenge himself.
It is D because the tubular flowers are being favored in some way from the hummingbirds perspective, also the tubular flower is being directly stated so it 8s a "particular" flower.
