单选题：Why does the system fall to arrest a wanted person?

题目内容：
Why does the system fall to arrest a wanted person? A．[ A ] The system is not effective in recognizing peopl
B．[ B ] The system doesn't look at skin color or one's gende
C．[ C ] The system doesn't consider people's specific feature
D．[ D ] The system is highly inaccurate and can be easily foole
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