Which revision uses an absolute phrase to combine these sentences?
Thoughts were racing through Joelle's mind. She quickly called her grandfather.

Thoughts were racing through her mind, so Joelle quickly called her grandfather.

Thoughts racing through her mind, Joelle quickly called her grandfather.

Thoughts raced through Joelle's mind, and she quickly called her grandfather.

Thoughts were racing through Joelle's mind as she quickly called her grandfather.​