单项选择题
下图所示的差分曼彻斯特编码波形图对应的数字数据为()
A.1011011101110 B.0100100010001 C.0101100100100 D.1000010101101
A.0111011000 B.1011001000 C.1000100111 D.0100010111
A.20Mbit/s B.50Mbit/s C.40Mbit/s D.60Mbit/s