单项选择题
A.与111100000作OR B.与00001111作XOR C.与00001111作AND D.与11110000作XOR
A.与00100000作OR B.与00100000作XOR C.与00100000作AND D.与11011111作XOR
A.与00010000作OR B.与00010000作XOR C.与00010000作AND D.与11101111作XOR