What is the difference between the IPv6 addresses ::/0 and ::/128?

What is the difference between the IPv6 addresses ::/0 and ::/128? Select the best response.

A.
::/0 is the unspecified address, and ::/128 is the multicast address.

B.
::/0 is the unicast address, and ::/128 is the anycast address.

C.
::/0 is the unicast address, and ::/128 is the multicast address.

D.
::/0 is the anycast address, and ::/128 is the multicast address.

E.
::/0 is the default route, and ::/128 is the unspecified address.

F.
::/0 is the anycast address, and ::/128 is the default address.