A RIP router has an entry in the routing table for a specific network destination. It then gets updated with another entry for that same destination, but with a higher path cost (hop count) than the one already in the routing table. What will the router do in this situation?（）

• A、It will ignore the update and take no further action.
• B、It will add the update information to its routing table.
• C、It will replace the existing routing table entry with the update information.
• D、It will delete the existing routing table and will send out hello packets to rebuild the routing table.