Question

【题目】He realized his mistakes and took action to reduce the loss _______ it was too late.

A. until B. when C. before D. As

Answer 1

【答案】C

【解析】

试题分析：句意为：他意识到自己的错误并且采取措施来尽可能地减少损失。Until：直到……才……，when：当……时候， before：“在……之前”， as：由于。根据语境可知应选C，即在太晚之前采取措施。