Which protocol in the IPv6 stack does the MLD protocol use to carry its messages? 

Answer options:

A. IGMPv6
B. ICMPv6
C. DHCPv6
D. NDP
E. IGMP

B

Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_lsm/configuration/xe-3s/imc-lsm-xe-3s-book/ipv6-mcast-mld-xe.pdf