第4题: [单项选择]Mack Twiller, my friend's husband, ______brought up and educated in Europe, lived at lecture in Australia most of his life. A. if B. when C. though D. who 参考答案:C 答案解析:这里,首先不能用的是代词who,因为用了who,从句里句子谓语动词不完整,缺少be动词。而连接词if和when表示的条件和时间,不能修饰住在澳大利亚的动作,因为他生长于欧洲,又在欧洲接受教育,然后再去