单选题 There was a ______ when the workers were told they had lost their jobs.

【正确答案】 B

【答案解析】题意是：当工人们被告知他们已经失业的时候，一场______发生了。[B]riot“暴动，骚乱”，符合题意。[A]mist“薄雾”，[C]bark“吠声，咆哮”，[D]dread“畏惧，恐怖”都不符合题意。