If you Beijing Duck，I'd like to treat you to a meal at a famous duck restaurant．
A. didn't try
B. don't try
C. haven't tried
D. hadn't tried
网友回答
A. didn't try
B. don't try
(答案→)C. haven't tried
D. hadn't tried
解析：考查时态。语意为：如果没有吃过北京烤鸭，我将在北京著名的烤鸭店招待你。not try是过去没有发生，持续到现在的动作，应该选现在完成时。
【标签】考查时态