问题补充：
Finally he realized that he had been transported into future of was still his hometown.
A. where
B. which
C. what
D. that
答案：
A. where
B. which
(答案→)C. what
D. that
解析：
试题分析:考查名词性从句。从结构可知of后的宾语从句缺少主语，A选项where是副词不做主语；B选项着重范围内的选择；D that引导宾语从句中时不做成分，故B选项正确。句意：最后他终于意识到他被送到了他自己家乡的未来世界。
