题目：
Speaker A: Hey, why don't we go out and do something tonight I feel kind of bored.Speaker B: ______
A．You shouldn't feel bored with so many assignments to finish.
B．Would you like to go dancing with me
C．Sometimes I also feel bored staying at home all day.
D．I wish I could. But I really have to stay in and write to my parents.
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：数据库表中字段转化为属性，把记录的类型转化为关系模式。
