答案：D

题目分析：考查单词include的用法，名词+included= including+名词意思“包括…”,included形容词，意思“包括在内的”，原句相当于two hundred and fifty-five children were included in the disaster句子意思“一千多人死在灾难中，包括255个小孩”

点评：单词include的用法是个常考内容，知道其意思，遇到此类题时，就很容易做出选择