What does a router do?（）

• A、Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)
• B、Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)
• C、Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)
• D、Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)