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题目内容
（阿坝师范学院大学英语）
All the characteristics that distinguish birds _______ other animals can be traced to prehistoric times. [
A、 ] for [
B、 ] to [
C、 ] from
D、 ] between [
A、 ] for [
B、 ] to [
C、 ] from
D、 ] between [
参考答案
