单选题Nobody believed his reaso

单选题 Nobody believed his reason for being absent form the class _____he had to meet his uncle at the airport.A.whyB.thatC.whereD.Because

B解析主要测试同位语从句。结合具体语境可知本句型结构应该属于同位语从句，截止到此题应该引起大家的注意：一定要记住经常接同位语从句的名词，下面简单略列一下：belief相信、fact事实、hope希望、idea想法、doubt怀疑、news消息、rumour传闻、whisper传闻、question问题、conclusion结论、evidence证据、suggestion建议、problem问题、order命令、thought思想、report报告、promise许诺、truth真理、principle原则、possibility可能、opinion观点、view观点、knowledge知识、information消息、discovery发现、decision决定、answer回答、probability可能、statement声明rule规定等等，希望同学们能把以上名词逐一记忆下来。另外结合所学知识分析句子结构可知句子中不缺少成分，只是少了应到同位语从句的引导词，故此最佳

就是这个解释