单项选择题
When the writer explained his situation, the assistant （）
A．responded quickly saying it was a lie B．believed him C．gave a suspicious 10ok as much as to say he had heard such stories before D．just took his story as a joke
单项选择题 25（）
单项选择题 22（）
单项选择题 Dawson's example shows that a business starts （）
