设AL=04H,BL=0F8H,执行IMUL BL指令后,结果是（)A.AX=0032HB.AX=00E0HC.AX=03E0HD.AX=0FFE0H

设AL=04H,BL=0F8H,执行IMUL BL指令后,结果是()

A.AX=0032H

B.AX=00E0H

C.AX=03E0H

D.AX=0FFE0H