诗句“青虫不易捕,黄口无饱期。须臾十来往,犹恐巢中饥。”描写

诗句“青虫不易捕,黄口无饱期。须臾十来往,犹恐巢中饥。”描写的是鸟类繁殖行为的是(  

      A.求偶                   B.筑巢                    C.孵卵                   D.育雏

答案

D

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