The answer the teacher,she asked the little boy to try a second time．A. disappointedB. di

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A. disappointed
(答案→)B. disappointing
C. being disappointed
D. having been disappointed
解析：考查独立主格结构在句中作状语。独立主格结构中分词的动作有相应的主语。与句子主语不一致，句意：这个答案令老师非常失望，老师要求这个小男孩在试一次。