The following sentence contains a comma splice: Driven by instinct, the salmon rushed upstream, the salmon neither knew nor cared about the hungry bears that awaited them.
Which revision corrects the sentence?
O Driven by instinct, the salmon rushed upstream; They neither knew nor cared about the hungry bears that awaited them.
O Driven by instinct, the salmon rushed upstream. Neither knew nor cared about the hungry bears that awaited them.
O Driven by instinct, the salmon rushed upstream and neither knew nor cared about the hungry bears that awaited them.
O Driven by instinct, the salmon rushed upstream, they neither knew nor cared about the hungry bears that awaited them.