His study in Peking University lasted four years, he founded his own company in Hong Kong.A. after

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编辑：chaxungu时间：2026-04-27 03:03:51分类：高中英语题库

【题目】 His study in Peking University lasted four years, ______ he founded his own company in Hong Kong.

A. after which B. after when

C. after that D. after it

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【答案】A

【解析】

试题分析：分析句子结构可知该处为非限制性定语从句，用关系代词which指代前面的“在北大学习四年”这件事，故选A。