题目

In April this year, lots of bags full of small change(零钱) were seen at bus stops in Tianjin. They were made for passengers to turn their notes into small change. And such an idea came from four students from Zhongbei Middle School, Tianjin.“People will surely feel worried when they take a bus without coins. We just want to do something to help them,” said Wang Yongcun, 15, one of the four students.The four boys spent their whole weekend making the change bags. After that they went to see the number of the passengers at each bus stop near their school, and then chose the top six stops tWhat did they ________ out of the library? [　　] A．permit to takeB．forbid to be taken C．allow to takeD．forbid being taken