执行MOV AX ,WDAT 指令,要使AX寄存器中内存为3412H,不能采用下列哪种数据定义?A. DSEG SEGMENTWDAT EQU WORD PTR BDATBDAT DB 12H,34HDSEG ENDS B. DESG SEGMENTBDAT DB 12H,34HWDAT = WORD PTR BDATDSEG ENDSC. DESG SEGMENTWDAT EQU THIS WORDBDAT DB 12H,34HDSEG ENDSD. DESG SEGMENTBDAT DB 12H,34HWDAT LABEL WORDDESG EBDS

执行MOV AX ,WDAT 指令,要使AX寄存器中内存为3412H,不能采用下列哪种数据定义?

A. DSEG SEGMENT

WDAT EQU WORD PTR BDAT

BDAT DB 12H,34H

DSEG ENDS 

B. DESG SEGMENT

BDAT DB 12H,34H

WDAT = WORD PTR BDAT

DSEG ENDS

C. DESG SEGMENT

WDAT EQU THIS WORD

BDAT DB 12H,34H

DSEG ENDS

D. DESG SEGMENT

BDAT DB 12H,34H

WDAT LABEL WORD

DESG EBDS


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