假设在myServlet应用中有一个MyServlet类，在web.xml文件中对其进行如下配置：<servlet><servlet-name> mysrvlet </servlet-name><servlet-class> my.MyServlet</servlet-class></servlet><servlet-mapping><servlet -name> myservlet </servlet-name><servlet-pattern>/welcome</url-pattern></servlet-mapping>则以下选项可以访问到MyServlet的是0
选项：

A:http://localhost:8080/myservlet
B:http://localhost:8080/welcome
C: http://localhost:8080/myServlet/myservlet
D:http://localhost:8080/myServlet/welcome