A-A+
It was (when) she was (about) (to go) to bed (
问题详情
It was (when) she was (about) (to go) to bed (while) the telephone rang.
A．when
B．about
C．to go
D．while请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：D
解析：这是一强调句型：itis…．that…，此处是对时间状语whenshewasabouttogo的强调。
考点：
