题目内容
（请给出正确答案）
[主观题]
_____________ in health, he persisted in doing the experiment.
A. As he was poor
B. Poor was he
C. Poor as he was
D. Poor he was though
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A.ThephysicalportcanbeusedaspartofaSharedEthernetAdapter（SEA）.
B.AllphysicalportsontheHostEthernetAdapter（HEA）defaulttopromiscuousmode.
C.Multiplelogicalportscanbeassignedtoaphysicalportifthatlogicalportisinpromiscuousmode.
D.AllphysicalportsthatbelongtothesameportgroupwillbesettopromiscuousmodeontheHostEthernetAdapter（HEA）.
