What does the command clear ipv6 ospf process accomplish?（）

• A、The shortest path first (SPF) algorithm is performed on the LSA database.
• B、The OSPF adjacencies are cleared and initiated again.
• C、The OSPF database is repopulated. Then the shortest path first (SPF) algorithm is performed.
• D、The route table is cleared. Then the OSPF neighbors are reformed.