—I'm sorry but I'm afraid I can't go to your party tonight.
—Never mind. Maybe _______ time.
下面句子中字形和字音均正确一项是（ ）
“梁上有双燕，翩翩雄与雌…青虫不易捕，黄口无饱期…”白居易这脍炙人口的诗句，反映了鸟类的哪种习性（ ）
