It wasn't long ______ the rain stopped and the sun came out again.

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• after the rain _____ ,the sun came out again 空白处是填stop 还是stopped
• it wasn't long bofore the rain stopped and the sun came out
• it wasn't long ( ) the rain stopped and the sun came out againit wasn't long ( ) the rain stopped and the sun came out againA until B before C when D since如果选B的话,翻译就应该是 在雨停之前不是很长时间太阳就出来了,按照常识应该是：雨停之后不久太阳就出来了,那怎么不对列?,另外until也可以是时间状语从句的连词,为什么不能用?,请高手详细说一说每一个选项为什么不能填,
• It wasn't long ______ the rain stopped and the sun came out again.A until B before C when D since这题为什么不选C?
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• it wasn't long ( ) the rain stopped and the sun came out again
• it wasn't long bofore the rain stopped and the sun came out
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