What is the most compact representation of the following IPv6 address?
2001:db8:0000:0000:cafe:0000:0000:1234
- A.2001:db8::cafe::1234
- B.2001:db8::cafe:0000:0000:1234
- C.2001:db8:0:0:cafe::1234
- D.2001:db8::cafe:0:1234
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