Huawei Exam H12-261 Topic 6 Question 48 Discussion

On an OSPF broadcast network, four routers (RTA, RTB, RTC, and RTD) are deployed on the same network segment. The DR priorities of RTA, RTB, RTC, and RTD are 2, 1, 1, and 0 respectively, and router IDs are 192.168.1.1, 192.168.3.1, and 192.168.4.1 respectively.

Which router is selected as the BDR if OSPF is enabled on the four routers?