We can infer from the passage that the author is ___________ about unified global Internet security rules and regulations. 选择一项： A. pessimistic B. optimistic C. cautious

We can infer from the passage that the author is ___________ about unified global Internet security rules and regulations.

选择一项：
A. pessimistic
B. optimistic
C. cautious

出自：人文英语2

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