设数据段中已有:DA1DB12H,34HDA1DW56H,78H下面有语法错误的语句是()

设数据段中已有:DA1DB12H,34HDA1DW56H,78H下面有语法错误的语句是()
A、ADR1DWDA1
B、MOVDA1+1,AX
C、MOVBYTEPTRDA2+1,AL
D、MOVWORDPTRDA1+1,AX
【正确答案】:B