[单选题]设集合A={a,b, c}上的关系如下，具有传递性的是（ ）。
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2023-11-01 15:11:15|
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[单选题]设集合A={a,b, c}上的关系如下，具有传递性的是（ ）。
A.R={<a，c>，<c，a>,<a，b>，<b，a>}
B.R={<a，a>}
C.R={<a，c>，<c，a>}
D.R={<a，b>，<c，c>,<b，a>，<b，c>}
A.R={<a，c>，<c，a>,<a，b>，<b，a>}
B.R={<a，a>}
C.R={<a，c>，<c，a>}
D.R={<a，b>，<c，c>,<b，a>，<b，c>}
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