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单项选择题 A Web page includes the HTML shown in the following code segment.  You need to write a JavaScript function that will dynamically format in boldface all of the hyperlinks in the ref span.Which code segment should you use?()

A、$("#ref").filter("a[href]").bold();

B、$("ref").filter("a").css("bold");

C、$("a").css({fontWeight:"bold"});

D、$("#ref a[href]").css({fontWeight:"bold"});

  • D
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