單項(xiàng)選擇題

如果在報(bào)表的格式狀態(tài)下使報(bào)表的關(guān)鍵字向左偏移,以下哪步操作正確 ()

A.在關(guān)鍵字所對(duì)應(yīng)的數(shù)字前寫入 “-“
B.在關(guān)鍵字所對(duì)應(yīng)的數(shù)字前寫入 “+“
C.在關(guān)鍵字所對(duì)應(yīng)的數(shù)字前寫入 “=“
D.在關(guān)鍵字所對(duì)應(yīng)的數(shù)字前寫入 “*“

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