单选题 —Oh, must you? Stay a bit longer. ______.
—Thanks anyway, but I've got an early start tomorrow morning.
A. It's been such fun having you B. Let's get down to business
C. We welcome you with open arms D. Please, take a seat

【正确答案】 A
【答案解析】句意：——哦，你必须得(走)吗?再呆一会儿。你在这里(我们大家)真是开心啊。——还是要谢谢你(们)，不过，我明天得早起。这里的潜台词是婉言拒绝了。