When a person lives too many hours a day in the digital universe, that is when he or she something.
A. has missed
B. will miss
C. is missing
D. misses
网友回答
A. has missed
B. will miss
(答案→)C. is missing
D. misses
解析：考查时态：句意：当一个人一天在数字世界度过太多的时间，就是他正失去一些东西的时候。这里的lose和live是同时发生的，用现在进行时应该是表示强调正在失去…，选C。