Francine is a philosopher who often thinks about the world around her. she is writing a book that uses reason to explain why men and women should be paid equally.

the word underlined in the sentence above is best defined as
a.
a person who focuses on societies’ money and finances to them become developed nations
b.
a person who thinks deeply about life to gain wisdom and understand important ideas
c.
a scientist who studies both prehistoric and current societies
d.
a scientist who studies societies by studying artifacts