單項選擇題

判斷當(dāng)CX=0時,轉(zhuǎn)LOP執(zhí)行的錯誤指令是()

A.CMP CX,0
B.MOV AX,CX JZ LOP JZ LOP
C.OR CX.CX
D.JCXZ LOP JZ LOP

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