The student wants to emphasize a difference between the two lighthous… | Verbal SAT Question

While researching a topic, a student has taken the following notes:

Lighthouses send out crucial light signals to help ships and other watercraft navigate at night.
Before automation, lighthouses were run by lighthouse keepers.
Barbara Mabrity was the lighthouse keeper at Key West Light in Florida.
She held this position from 1832 to 1862.
Flora McNeil was the lighthouse keeper at Bridgeport Breakwater Light in Connecticut.
She held this position from 1904 to 1920.

The student wants to emphasize a difference between the two lighthouse keepers. Which choice most effectively uses relevant information from the notes to accomplish this goal?

Barbara Mabrity and Flora McNeil both played crucial roles in ensuring safe navigation for watercraft in past centuries.

From 1832 to 1862, the nighttime waters of Florida were made more navigable thanks to Barbara Mabrity.

Barbara Mabrity worked as a lighthouse keeper in an earlier century than did Flora McNeil.

As the lighthouse keeper at Bridgeport Breakwater Light, Flora McNeil helped watercraft navigate at night.