题目内容
(请给出正确答案)
[单选题]
代码:margin:10px20px30px40px;那么左外边距是()
A.5px
B.10px
C.15px
D.40px
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A.5px
B.10px
C.15px
D.40px
A..box{margin:5px10px10px5px;}
B..box{margin:5px10px0px0px;}
C..box{margin:5px10px;}
D..box{margin:10px5px10px5px;}
A.初始保证金 (Initial Margin)
B.维持保证金 (Maintenance Margin)
C.追加保证金 (Additional Margin)
D.买卖保证金(Sell Margin)
A.statements
B.comments
C.accounts
D.definition
A.edge
B.border
C.interval
D.margin