Which of the following is a valid representation of the following IPv6 address: 2001:0000:0000:0abc:0000:0000:000a:000b? Choose the answer with the least number of digits.()
A. 2001:0000:0:abc:0000:0000:a:b
B. 2001::abc::a:b
C. 2001::abc:0:0:000a:000b
D. 2001::0abc:0000:0000:a:b
E. 2001:0000:0000:abc::a:b
F. 2001::abc:0:0:a: