利用布尔代数定律化简事故结构函数T=X1+X2(X1+X3),化简结果是( )。
A. T=X1X2
B. T=X1X3
C. T=X1X2+X3
D. T=X1+X2X3
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By identifying similar words or structures in different languages, we find evidence that those languages are related and may be derived from same ancestor.()
A. identifying
B. that those
C. and
D. from same