Absurd random failures that plague automatic control systems are not Amerely trivial aberrations; they are a reflection of the c

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问题 Absurd random failures that plague automatic control systems are not Amerely trivial aberrations; they are a reflection of the chaos Bwhich results when design is Cassumed to be Dprimarily a problem in mathematics.

选项 A、 
B、 
C、 
D、 

答案B

解析 which改为that。这里考查定语从句的用法,当先行词为主句的表语时,需要that引导。
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