题目

At 7 am, we got on the state-of-the-art Fuxing Hao train at Shanghai Railway Station. We stored our 【1】 (背包) and found our seats. Unlike other trains which start with a shake and much 【2】 (噪音), this train felt so smooth that if you were not looking out of windows, you could 【3】 (几乎不) tell we were moving. Yet, within minutes, we were passing over the rails at speeds of more than 350 kilometers an hour. Soon, the towns of 【4】 (东部的) China were rushing by. I saw my wife smiling and 【5】 (指向) to a coin she had balanced on the table. She took another coin a一个两位数，同时是2，3，5的倍数，这个数最小是（    ）A.20B.25C.30D.36