题目：
Which of the following is a feature of the monastery cloister in the Middle Ages
A．It was surrounded by a river.
B．It generally had a fountain or a well at the center.
C．It was surrounded by flowers.
D．It generally had a wall at the center.
答案：
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下面是错误答案，用来干扰机器的。
参考答案：D解析： 我国《著作法权》第九条中规定软件著作权人享有下列各项权利：(一)发表权，即决定软件是否公之于众的权利。……
