There was---time----the noise of the traffic kept me awake.A a; thatB a whenC the that D\ when 为什么b
问题描述：
There was---time----the noise of the traffic kept me awake.A a; thatB a whenC the that D\ when 为什么b
答
There was a time when the noise of.
when 引导定语从句,指代a time 在从句中做时间状语.
有那么一段时间,车辆的嘈杂声让我睡不着觉.