The information confirms me in the belief he, as well as his coach, is to blame. A. wheth

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A. whether
B. why
C. which
(答案→)D. that
解析：句意:这个信息坚定了我的信念是他和他的教练应该负责任。这里使用同位语从句，同位词是belief，that连接的同位语从句是对belief的内容进行说明，A. whether是否，B. why为什么，C. which哪个，所以选D。