After a merger with another small business， your company has inherited a legacy WAR file but the originalsource files were lost. After reading the documentation of that web application，you discover that the WARfile contains a useful tag library that you want to reuse in your own webapp packaged as a WAR file. What do you need to do to reuse this tag library？（）

• A、Simply rename the legacy WAR file as a JAR file and place it in your webapp’s library directory.
• B、Unpack the legacy WAR file， move the TLD file to the META-INF directory， repackage the whole thingas a JAR file， and place that JAR file in your webapp’s library directory.
• C、Unpack the legacy WAR file， move the TLD file to the META-INF directory， move the class files to thetop-level directory， repackage the whole thing as a JAR file， and place that JAR file in your webapp’slibrary directory.
• D、Unpack the legacy WAR file， move the TLD file to the META-INF directory， move the class files to thetop-level directory， repackage the WAR， and place that WAR file in your webapp’s WEB-INF directory.