参考答案：D

解析：[听力原文]The cowbird is an unusual American bird, which builds no nest. Instead, a female lays an egg in the nest of another bird and leaves the chicks to be hatched and raised by the adopted parents. Usually, these adopted parents don’t seem to notice anything strange about the young cowbird. Even though it may be twice size of their own chicks.

[分析]： 特定信息的找寻和判断。 根据题干中关键词remarkable可定位到首句The cowbird is an unusual American bird， which builds no nest 由此可知，D说这种鸟不筑巢，与原文相符，是正确答案。[解题关键] 能够正确找到题干中关键词在原文中的同义替换，有助于迅速定位原文相关句。本题中原文unusual与题干中remarkable是同义替换。