Whats the difference between a bridge and a router?

A.
A bridge connects multiple networks; a router examines packets to determine which network to forward them to.

B.
Bridge and router are synonyms for equipment used to join two networks.

C.
A bridge is a specific type of router used to connect a LAN to the global Internet.

D.
A bridge works at the Link layer; a router works at the Network layer.

Explanation:
A bridge connects two networks at the Link layer; a router connects two
networks at the Network layer.