H12-811-v1-350-以下哪个IPV6地址可以简写为2FFF:DAC: ABEF :CDAA: 732 ?

以下哪个IPV6地址可以简写为2FFF:DAC: ABEF :CDAA: 732 ?
A2FFF: ODAC: ABEF: 0000:0000:CDAA: 0732
B2FFF:ODAC: ABEF :0000:0000:0000:CDAA:0732
C2FFF: ODAC:ABEF: 0000:0000:0000:CDAA:7320
D2FFF:DACO: ABEF: 000:0000:0000:CDAA: 0732

参考答案：B