The special news program analyzed the extent people’s daily lives have been changed by modern inventions since the 1890s.
A. in which
B. at which
C. on which
D. to which
网友回答
A. in which
B. at which
C. on which
(答案→)D. to which
解析：句意：这个专门的新闻节目分析了自十九世纪九十年代以来，人们的日常生活由于现代发明带来的变化程度。extent 程度，与介词to连用，其后的which作介词宾语。
考点: 考查定语从句的用法。