【题目】 that his father would come back soon, the little boy calmed down.
A. Having convinced B. Convincing
C. Being convinced D. Convinced
在线课程【答案】D
【解析】考查非谓语动词。句意：小男孩在确认他的爸爸会很快回来后平静了下来。前后句没有连词可以判断出用非谓语动词，根据前后主语一致，convince sb that + 句子-----使某人确信，小男孩与确信之间是被动关系，用过去分词形式。故选D。