Which of the following thesis statements is the most specific? in romeo and juliet

a.Romeo and Juliet explores how a family feud can result in tragedy for young lovers.
b.Romeo and Juliet is a famous love story about star-crossed lovers in sixteenth-century Verona.
c.Romeo and Juliet is about the prevalence of underage marriage in the sixteenth century.
d.Romeo and Juliet explores the place of religion in love and marriage.