A-A+
According to the passage the mistake was made
问题详情
According to the passage, the mistake was made ______.
A．on purpose
B．by the government
C．by accident
D．by stamp collectors请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：答案可参见文章第二段中He accidentally inscribed the words“Post Office”instead of“Post Paid”。可见，错误是偶然造成的。
