于Struts2的以下配置内容应该在哪个配置文件中编写()B

<filter>

<filter-name>struts2</filter-name>

<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAdnExecuteFilter </filter-class> </filter>

<filter-mapping>

<filter-name>struts2</filter-name>

<url-pattern>/*</utl-pattern>

</filter-mapping>

选项：

A:

struts-default.xml

B:

struts.xml

C:

web.xml

D:

ter.xml