Which two statements about route redistribution when implementing OSPF are true?（）
- A Routes learned using any IP routing protocol can only be redistributed into non IP routing protocols.
- B OSPF can import routes learned using EIGRP, RIP, and IS - IS.
- C OSPF routes cannot be exported into EIGRP, RIP, an d IS - IS.
- D At the interdomain level, OSPF cannot import routes learned using BGP.
- E OSPF routes can be exported into BGP.