Which two of these statements are true of IPv6 address representation? （）

• A、There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.
• B、A single interface may be assigned multiple IPv6 addresses of any type.
• C、Every IPv6 interface contains at least one loopback address.
• D、The first 64 bits represent the dynamically created interface ID.
• E、Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.