What happens when an A/P firewall cluster synchronies IPsec tunnel security associations (SAs)?

What happens when an A/P firewall cluster synchronies IPsec tunnel security associations (SAs)?
A . Phase 2 SAs are synchronized over HA2 links
B. Phase 1 and Phase 2 SAs are synchronized over HA2 links
C. Phase 1 SAs are synchronized over HA1 links
D. Phase 1 and Phase 2 SAs are synchronized over HA3 links

Answer: A