The twins,at birth,do not know each other .A. separatedB. being separatedC. having separat

发布时间：2020-08-17 13:22:21

The twins,    at birth,do not know each other .
A. separated
B. being separated
C. having separated
D. having been separated

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(答案→)A. separated
B. being separated
C. having separated
D. having been separated
解析：分词的完成时(一般作状语)在句中一般不可作定语。如果要作定语，只能用定语从句who have been separated 。所以不选D.
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