求助一個英語句子,幫忙分析下句子結構?

題目：

求助一個英語句子,幫忙分析下句子結構?
I had just spent weeks correcting her stories as she spontaneously(自發地) told them.
句子"as she spontaneously told them"是充當什麼的?

解答：

狀語從句..
再問： 那個as該怎麼翻譯？
再答： 當