问题
选择题
——Someone called you just now.
——I know. But I was busy at that moment. When I called back, there was no .
A．voice
B．sound
C．answer
D．result
答案
答案：C
voice 嗓音；sound声音；answer答案；result结果。句意：刚才有人给你打电话了。——我知道。但是那时我正在忙。当我会电话时，已经没人回电话了。结合语境可知选C。