单选题 11.  The young man had decided to give up the chance of studying abroad, ______ surprised his parents a lot.
【正确答案】 C
【答案解析】[考点] 定语从句
分析句子结构可知,逗号之后为非限制性定语从句,空处为引导词,指代前面整个主句的内容,且在从句中作主语,所以应用关系代词which。故选C。
   那个年轻人决定放弃出国留学的机会,这让他的父母很惊讶。