Regarding the description of OSPF external routing types, which is wrong?

Regarding the description of OSPF external routing types, which is wrong?
A . OSPF is divided into the Type 1 of external routing and the Type 2 of external routing.
B . The cost value of OSPF type 1 external route is only the external cost value of the AS, and the internal cost value of the interconnected AS
C . The cost of OSPF type 2 external routes is the sum of the internal cost of the AS and the external cost of the AS
D . Under the same conditions, OSPF’s type 1 of external route always takes precedence over the Typle 2 of external route

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Answer: D