问题补充：
I made a speech in front of so many people, I felt quite nervous.
A. The first time
B. For the first time
C. At that time
D. At the first time
答案：
(答案→)A. The first time
B. For the first time
C. At that time
D. At the first time
解析：考查连词词组：the first time可以做连词用，连接从句，其他选项不可以，句意是：我第一次在这么多人前面做演讲，觉得很紧张。选A。
