已知矩形ABCD,AB=1,BC=.将△ABD沿矩形的对角线BD所在的直线进行翻

已知矩形ABCDAB1BC.将△ABD沿矩形的对角线BD所在的直线进行翻折,在翻折过程中,(  )

A.存在某个位置,使得直线AC与直线BD垂直

B.存在某个位置,使得直线AB与直线CD垂直

C.存在某个位置,使得直线AD与直线BC垂直

D.对任意位置,三对直线ACBDABCDADBC均不垂直

答案

B

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