The reason for their unusual behavior re

题库总管2019-12-17  20

问题 The reason for their unusual behavior remains a puzzle .

选项 A: factB: mysteryC: statementD: game

答案B

解析句意为:他们不同寻常的举动依然是个谜。puzzle意为“令人迷惑的事情”;fact意为“事实”; mystery意为“谜团”;它与划线部分单词含义最接近;statement意为“叙述”;game意为“游戏”。故选B项合适。
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