【正确答案】 D

【答案解析】[解析]首先排除选项B、C，因为它们不符合文中事实。A项也不正确，因为由末段“the bird lowered his head and throwing his fine tail fearer over his back，... a shaking flame of color”说明此时“show off his tail feathers”是为了“making his loud love cries”，故排除A。