题目内容

若海明码的监督关系为：S0=a0+a3+a4+a6；S1=a1+a3+a5+a6：S2=a2+a4+a5+a6。若需发送的信息为：1101，则信道中传输的码字为 (12) ，该海明码的编码效率为 (13) 。

A. 12.95%
B. 42.86%
C. 57.14%
D. 87.05%

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