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AllofyourJSPsneedtohavealinkthatpermitsuserstoemailthewebmaster.Thiswebapplicationislicensedtomanysmallbusinesses,eachofwhichhaveadifferentemailaddressforthewebmaster.Youhavedecidedtouseacontextparameterthatyouspecifyinthedeploymentdescriptor,likethis:42.<context-param>43.<param-name>webmasterEmail</param-name>44.<param-value>master@example.com</param-value>45.</context-param>WhichJSPcodesnippetcreatesthisemaillink?()
A.<ahref=’mailto:${contextParam.webmasterEmail}’>contactus</a>
B.<ahref=’mailto:${applicationScope.webmasterEmail}’>contactus</a>
C.<ahref=’mailto:${contextInitParam.webmasterEmail}’>contactus</a>
D.<ahref=’mailto:${initParam.webmasterEmail}’>contactus</a>
参考答案