All of your JSPs need to have a link that permits users to email the web master. This web application islicensed to many small businesses, each of which have a different email address for the web master. Youhave decided to use a context parameter that you specify in the deployment descriptor, like this:<br /> 42.<context-param><br /> 43.<param-name>webmasterEmail</param-name><br /> 44.<param-value>master@example.com</param-value><br /> 45.</context-param><br /> Which JSP code snippet creates this email link?()
A、<a href=’mailto:${contextParam.webmasterEmail}’>contact us</a>
B、<a href=’mailto:${applicationScope.webmasterEmail}’>contact us</a>
C、<a href=’mailto:${contextInitParam.webmasterEmail}’>contact us</a>
D、<a href=’mailto:${initParam.webmasterEmail}’>contact us</a>