在下面的代码中，若想使输出结果为“好好学习”，应该填入（) < % @ page language = "java" contentType = ntext/html; charset = gb2312" % >< % @ taglib prefix = "c" uri = "http://java. sun. com/jsp/jstl/core" % >< html>< body><%Session. setAttribute( "msg'*, "< i>好好学习</i >");%></body> </html>
选项：

A: < c：out value = " $ {msg}H escapeXml = "false"></c：out >< br >
B: < c：out value = " $ (msg} "></c：out >< br >
C: < c：out value = '* $ {msg}*' escapeXml = '*true"></c:out >< br >
D: 以上都不正确