【题目】-Is this the first time you ________ to Kunming? -Yes, how excited I am!
A.have come
B.will come
C.came
D.are coming

【答案】A
【解析】本题为This is＋序数词＋time(that)...句型，从句用现在完成时；句意：—这是你第一次来昆明吗？—是的，我多么兴奋啊！。根据句意，故选A。