Routers A and B have an OC12c and a GE link between them and are running OSPF over both of these links.Which item is correct， assuming the default JUNOS software OSPF metric calculation？（）

• A、There are two equal cost paths between A and B
• B、The GE link is the preferred path between A and B
• C、The OC12c link is the preferred path between A and B
• D、Manual metric assignment must be configured to determine the outcome.