Wal-Mart Stores. Inc. began refunding customers for the defective stereos four w

游客2025-06-11  5

问题 Wal-Mart Stores. Inc. began refunding customers for the defective stereos four weeks ______ they first discovered the problem.

选项 A、like
B、when
C、after
D、before

答案 C

解析 语法题。根据题意可知,应该是在发现问题之后才退款,after引导时间状语从句,故选C。
转载请注明原文地址:https://www.tihaiku.com/zcyy/4113823.html
最新回复(0)