问题：

[单选]

Refer to the exhibit. What additional commands should be used to configure OSPF area 5 as a Totally Stubby area? （）

A . area 0 stub o n routers R4 and R5
B . area 5 stub on routers R4 and R5
C . area 5 stub no - summary on routers R4 and R5
D . area 0 stub no - summary on router R4 and area 5 stub no - summary on router R5
E . area 5 stub no - summary on router R4 and area 5 stub on router R5