问题补充：
he came to this small town, he began to like it.
A. For the first time
B. By the first time
C. At the first time
D. The first time
答案：
A. For the first time
B. By the first time
C. At the first time
(答案→)D. The first time
解析：考查时间状语从句。A“首次”；the first time“一......就......”可以引导时间状语从句。句意“他一来到这个小镇，他就喜欢上了这里。”故选D。
