Which statement best describes Eleanor of Aquitaine?

a. She was a martyred saint who continued Patrick's work of converting Irish tribes to Christianity.
b. She was the wife of Charlemagne who succeeded him as ruler of the Holy Roman Empire.
c. She helped rule England while King Richard the Lion0Heart was leading the Third Crusade.
d. She was an abbess who taught the importance of literacy for women at her convent.
c?