[单选题]设A={a，b，c}上的二元关系如下，则具有传递性的为（ ）。
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2023-11-01 15:11:11|
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[单选题]设A={a，b，c}上的二元关系如下，则具有传递性的为（ ）。
A.{<a，c>，<c，a>}
B.{<a，b>，<c，c>，<b，a>，<b，c>}
C.{<a,a>}
D.{<a，c>，<c，a>，<a，b>，<b，a>}
A.{<a，c>，<c，a>}
B.{<a，b>，<c，c>，<b，a>，<b，c>}
C.{<a,a>}
D.{<a，c>，<c，a>，<a，b>，<b，a>}
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