She was so ______about the problem explained by her partner that she wore a ______lookA.confusing; confusedB.confused; confusingC.confused; confusedD.confusing, confusing
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C解析词义辨析。Confusing令人困惑的，指物；confused迷惑不解的，指人。句意：关于这个被他的伙伴解释的问题，她是如此迷惑不解，因此她面带迷惑不解的表情。可知前后两个词都指的是人的状态，故选C。