Which answer choice best corrects the run-on sentence?

Question

• The girl wore a hat it was covered with ribbons.
• The girl that had been covered with ribbons wore a hat.
• A hat that had been covered with ribbons. The girl wore.
• The girl wore a hat. It was covered with ribbons.
• That had been covered with ribbons a hat the girl wore.

Answer 1

The best choice that corrects the run-on sentence is:

The girl wore a hat. It was covered with ribbons.

This option clearly separates the two independent clauses into two complete sentences.