Which statement is correct regarding IPv6 addresses?

Which statement is correct regarding IPv6 addresses?

A.
An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.

B.
An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.

C.
An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.

D.
An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.