Yesterday evening I went to the airport to see my best friend .A. off B. up C. out

问题补充：

Yesterday evening, I went to the airport to see my best friend .

A. off B. up C. out

答案：

解析：句意：昨天晚上，我去机场送我最好的朋友。See off送别，送行；see out完成，贯彻; 结合语境故选A。