Which revision of these sentences uses an adverb clause?

Jacklyn and John watched the amazing fireworks. Jacklyn cowered. Jacklyn covered her ears.

Jacklyn and John watched the amazing fireworks, and she cowered and covered her ears.

Jacklyn cowered and covered her ears as she and John watched the amazing fireworks.

Jacklyn cowered and covered her ears, but John watched the amazing fireworks.

Jacklyn and John watched the fireworks, and Jacklyn, who cowered and covered her ears, was amazed.