问题
单项选择题
收受定金的一方不履行约定的义务，应当（ ）。
A．返还定金
B．返还定金，并支付定金20%的违约金
C．返还定金，并支付定金30%的违约金
D．双倍返还定金
答案
参考答案：D
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收受定金的一方不履行约定的义务，应当（ ）。
A．返还定金
B．返还定金，并支付定金20%的违约金
C．返还定金，并支付定金30%的违约金
D．双倍返还定金
参考答案：D
| 用方框中所给单词的适当形式填空，每个单词限用一次，使短文通顺正确连贯，将答案填写在题后的横线上。 | |
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