单选题 It was Sunday. The trains were crowded. A gentleman was walking along the (1) looking into the windows and trying to find a place. In one of the (2) he saw a vacant seat. But a small suitcase was lying on (3) and a stout gentleman was sitting next to it. " Is this seat vacant?" "No, it is my friend's," (4) the stout gentleman. "He is coming. This is his suitcase./

【正确答案】 C
【答案解析】这一小段讲的是有人用箱子占座位的事。这是个星期天，火车上很挤。根据常识，这个年轻人肯定在站台上走动，往车厢里看有没有空位。所以应选择C选项：站台。
【正确答案】 A
【答案解析】火车的车厢用car。一列火车有若干节车厢。这位年轻人发现有一节车厢中(one of the cars)有空位。
【正确答案】 C
【答案解析】但是，年轻人看到，在这个座位上有个箱子。前面已经提到有个空位(vacant seat)。这里就用it代替，以免重复。这也是英文的用法。
【正确答案】 B
【答案解析】这里很显然是挨着箱子坐的那个很强悍的人在回答年轻人的话。用answer。