The number of the workers in this factory______300, that is to say, it______20%.A.has increased by; has increased toB.have increased to; have increased byC.has increased to; has increased byD.have increased by; have increased to
网友回答
C解析考察固定结构。Increase to增加到…表示结果；increase by…增加了…表示程度；结合句意可知C正确。句意：这家工厂的工人数量增加到了300，就是说增加了百分之20