问题描述：
关于定语从句
It was the same day a year ago ___ I started working here .I'll never forget the days I spend here
A who B which C when D that 请说明选哪个 并说明不选另外三个的原因
It was the same day a year ago ___ I started working here .I'll never forget the days I spend here
A who B which C when D that 请说明选哪个 并说明不选另外三个的原因
问题解答：
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