____to caring for an Ebola(埃博拉) patient, the nurse found herself also infected, feeling hopeless.

A. Devoting B. Devoted

C. Having devoted D. To devote

B

【解析】

試題分析：考查非謂語動詞。句意為：由于專注于照料埃博拉患者，那位護士發(fā)現(xiàn)自己也被感染了，感覺很無助。本句為非謂語動詞中的過去分詞短語在句中充當原因狀語，相當于because he was devoted to his work,….故選擇B。注意此時也可使用下面的形式作狀語：Devoting himself to his work, ……

考點：考查非謂語動詞

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