【题目】Researches indicate that people who constantly work extra hours are more than three times as likely as those who work simply in the daytime _______ signs of depression.
A. shown B. showing C. show D. to show
在线课程【答案】D
【解析】考查非谓语动词。句意：研究表明持续不断加班的人表现出沮丧的迹象是那些只在白天工作人的三倍多。固定结构：be likely to do sth.很可能做某事。故答案为D。