Refer to the exhibit. An engineer must implement a resilient and scalable solution for DNS services. The DNS servers are installed in four different collocations and use the IPv4 anycast solution. Which BGP feature load-balances the DNS client-server flows across all four locations? 

Answer options:

A. BGP Address-Family anycast
B. BGP Link State
C. BGP Cost Community
D. BGP Additional Paths
E. BGP FlowSpec

D