Their profits have grown rapidly in recent years, and this upward______is expected to continue.
【正确答案】 C
【答案解析】本题测试四个名词的不同含义。A项action意为“行为”,B项increase意为“增加”,C项tendency意为“趋势”,D项movement意为“运动”,题句中upward本身已有“向上,上升”的含义,故C为正确选项。