In order to help people to see the performance at the same time they gave a broadcast. A

问题补充：

In order to help people to see the performance at the same time, they gave a broadcast.

A. living

B. alive

C. live

D. lively

答案：

A. living

B. alive

(答案→)C. live

D. lively

解析：从句子成份判断，选项为作定语的形容词；从performance和broadcast判断，应该用表示“现场”意思的live。