A:中国传统金融业的日益衰落
B:“实业救国”思想的影响广泛
C:民族工业“短暂春天”的到来
D:商人投资推动民族工业发展
— I rang the bell for a long time last night, but no one opened the door.— Oh, the family __________ a party and they didn't hear the bell.