These proposals sought to place greater restrictions on the use and copying of d

游客2023-10-15 52

问题 These proposals sought to place greater restrictions on the use and copying of digital information than ______ in traditional media.

选项 A、exist
B、exists
C、existing
D、to exist

答案 A

解析 than后面省略了成分“those restrictions which”，排除选项B。此处为省略了which的定语从句，排除选项C。exist in存在于，强调的是一个客观存在，所以用一般现在时。因此A项正确。

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