The employments were quite unsatisfied with the ____ explanation

The employments were quite unsatisfied with the ____ explanation given by the managers and decided to go in strike.
A、reason
B、reasonable
C、reasoning
D、unreasonable
【正确答案】:D
【题目解析】:reason n. 原因,reasonable adj .合理的,unreasonable 不合理的,reasoning n 推理,adj. 推理的
题意:工人们对经理们的____的解释很不满意,决定举行罢工。D符合题意,不合理的解释