单选题 Speaker A: Could I borrow a twenty to tide me over till payday next Thursday?
Speaker B: ______. I've just cashed the check. But do remember to pay me hack when your finances are in better shape.
A. You're unlucky B. You are in luck
C. You can't expect me to help you D. You are always happy

【正确答案】 B
【答案解析】[解析] 说话者A问说话者B,能不能借给他20美元渡过难关顶到下星期四发工资。说话者B回答说:“你真走运。我刚把支票换成了现金。不过,当你境况好转的时候,一定记得还给我。”由后半句可知,说话者A问的时机正好。故B项You are in luck正合适。