【单选题】
Refer to the exhibit. What statement is true based upon the configuration of router R1 and router  R2？（）<br /> <img src="https://nimg.ppkao.com/2018-07/gelingxia/2018073015422145313.jpg?sign=3e7b49d05ccea1c6975169a3ed4d87a8&t=62d49e84" />
A、 Router R2 will become the master for Virtual Router 1， and router R1 will become the backup for Virtual Router 2.
B、 Router R1 will become the master for Virtual Router 1， and router R2 will become the backup for Virtual Router 2.
C、 Router R1 will become the active virtual gateway.
D、 Router R2 will become the active virtual gateway.
E、 The hello and hold timers are incompatible with OSPF type 5 LSAs.
F、 The hello and hold timers are incompatible with multi-homed BGP.
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