问题
选择题
The disco music，digitally________in the studio，sounded fantastic at the party that night.
A．recorded
B．recording
C．to be recorded
D．having recorded
答案
答案：A
答案 A [disco music 与record 之间是被动关系，所以用被动形式，排除B和D 项；不定式作定语表示将来，根据主句内容可知动作已经完成。]