In which formats can the IPv6 address fd15:0db8:0000:0000:0700:0003:400F:572B be written?

A.	fd15:0db8:0000:0000:700:3:400F:527B
B.	fd15::db8::700:3:400F:527B
C.	fd15:db8:0::700:3:4F:527B
D.	fd15:0db8::7:3:4F:527B
E.	fd15:db8::700:3:400F:572B

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