— Could I have the small table by the window?— Sorry sir. It in advance.A. bookedB. will

问题补充：

— Could I have the small table by the window?

— Sorry, sir. It in advance.

A. booked

B. will be booked

C. had booked

D. has been booked

答案：

A. booked

B. will be booked

C. had booked

(答案→)D. has been booked

解析：在具体语境中考查时态。句意：--我能坐窗户旁边的那张小桌子吗？--对不起，先生。已经有人提前预定了。对话是现在的情况，排除A、C；根据句意可知，有人提前预定了，不用将来时，故选D。