问题 选择题

下列说法正确的是

                                                                                                                                                         [    ]

A.a,b,c是直线,且a∥b,b∥c,则a∥c

B.a,b,c是直线,且a⊥b,b⊥c,则a⊥c

C.a,b,c是直线,且a∥b,b⊥c,则a∥c

D.a,b,c是直线,且a∥b,b∥c,则a⊥c

答案

答案:A

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