單項(xiàng)選擇題

下面程序運(yùn)行后結(jié)果為()MOV2FH,#30HMOV30H,#40HMOVR0,#30HMOVA,#20HSETBCADDCA,@R0DECR0MOV@R0,A

A.(2FH)=30H(30H)=40H
B.(2FH)=61H(30H)=40H
C.(2FH)=60H(30H)=60H
D.(2FH)=30H(30H)=60H

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