For me traveling to Antarctica proved to be the beginning of a new life, I had thought I would never see.
A. what
B. that
C. one
D. it
网友回答
A. what
B. that
(答案→)C. one
D. it
解析：考查不定代词的用法。句意：对我来说到南极洲旅行是新生活的开始，一个我本以为不会看见的新生活。句中I had thought 是插入成分，one 代替a new life。也可以用关系代词which，指代a new life。