一个 IPv6 地址的简化写法为8::D0:123:CDEF:89A, 则其完整地址应该是()。

A. 8000:0000:0000:0000:00D0:1230:CDEF:89A0 B. 0008:0000:0000:0000:00D0:0123:CDEF:89A0 C. 8000:0000:0000:0000:D000:1230:CDEF:89A0 D. 0008:0000:0000:0000:00D0:0123:CDEF:089A

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正确答案：D