云计算新课2-下面关于在Spring中配置正确的是
A<interface bean="bw.org.userServiceImpl ">
B<bean id=”userService” class="bw.org.userServiceImpl">
C<bean interface="bw.org.userServiceImpl">
D<id class="bw.org.userServiceImpl">
A<interface bean="bw.org.userServiceImpl ">
B<bean id=”userService” class="bw.org.userServiceImpl">
C<bean interface="bw.org.userServiceImpl">
D<id class="bw.org.userServiceImpl">