The lecture mainly deals with the trouble young children have _______ right from wrong.A.distinguishedB.distinguishingC.to distinguishD.to be distinguished
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B解析试题分析：首先have difficult /trouble doing sth是固定词组。The lecture mainly deals with the trouble young children have distinguishing right from wrong在这个句子中，deal with的宾语是trouble，所以后面的句子是修饰trouble这个词的定语从句。考点：固定用法考查点评：对于固定用法，平时一定要多归纳、总结和记忆。