She looked very peaceful, and I was quite unafraid, ________ what had happened.A.interested to knowB.interested knowingC.interesting to knowD.interesting in knowing
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A解析表示“自己想知道”，即“感兴趣”；应用(be) interested的过去分词短语作伴随状语，含被动意味；(be) interested常接to know/hear/say等不定式。