下列选项中正确定义所有h3标记内文字为特粗的是()。
(A)<h3style="font-size:bolder;">
(B)<h3style="font-weight:bolder;">
(C)h3{font-size:bolder;}
(D)h3{font-weight:bolder;}
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(A)<h3style="font-size:bolder;">
(B)<h3style="font-weight:bolder;">
(C)h3{font-size:bolder;}
(D)h3{font-weight:bolder;}