问题
选择题
The traffic was busy on our way to the train station, _____ we caught the train on time at last.
A．although
B．so
C．but
D．because
答案
答案：A
题目分析：句意：在我们去火车站的路上交通非常繁忙，虽然最后我们按时赶上了火车。On one’s way to 在去……的路上，on time 按时；at last 最后；A. although 尽管、虽然；B. so因此；C. but但；D. because因为，根据句意故选择A。