课文《穷人》中，“她的心跳得很厉害。她自己也不知道为什么要这样做，但是她觉得非这样做不可。”这句话表现了（ ）
A：桑娜一时懵住了，糊里糊涂地把孩子抱回来了。
B：桑娜当时没有多加考虑，是一颗淳朴、善良的心让她这样去做的。
C：桑娜不清楚该不该抱回来，心里十分矛盾，不知怎么办。
物质的性质决定物质的用途。下列因果关系不成立的是（）
阅读下面这首词，完成下面小题。
子夜歌·三更月①
宋贺铸
三更月，中庭恰照梨花雪。梨花雪，不胜凄断，杜鹃啼血。
王孙何许②音尘绝，柔桑陌上吞声别。吞声别，陇头流水，替人呜咽。
【注】①本调又名《忆秦娥》。相传创始于李白。李白之《忆秦娥》，主要抒发一个长安少妇对久别爱人的忆念之情。贺铸此词，与李词所写颇为接近。②何许，为何这样。
阅读短文，根据短文选择正确的答案。
Uncle Wangworks in 1 bookstore in the middle of the city. The shop is not far from his home. It is about three kilometers (公里) away. So Uncle Wang seldom (很少) 2 to work by bus. He usually goes there 3 bike, sometimes on foot. It takes him ten minutes to get there by bike and forty minutes on foot. Today his bike is broken. He wants to walk there. Now he is having breakfast. At ten to eight, he leaves home and walks to work. It's twenty 4 earlier than usual. His work starts at half past eight in the morning and 5 at a quarter (一刻钟) to five in the afternoon.
